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Top 10
Lock
Lock Definition
Lock Encyclopedia Links
Lock Quotations
Lock History Links
Feature Name
Type
State
Latitude
Longitude
Aberdeen Lock and Dam
Dam
Mississippi
33.83
-88.52
Algiers Lock
Dam
Louisiana
29.91583
-89.97111
Aliceville Lock and Dam
Dam
Alabama
33.21111
-88.28722
Allegheny River Lock And Dam Eight
Dam
Pennsylvania
40.895
-79.47833
Allegheny River Lock And Dam Five
Dam
Pennsylvania
40.68333
-79.66667
Allegheny River Lock And Dam Four
Dam
Pennsylvania
40.615
-79.71833
Allegheny River Lock And Dam Nine
Dam
Pennsylvania
40.955
-79.54833
Allegheny River Lock And Dam Seven
Dam
Pennsylvania
40.81833
-79.52833
Allegheny River Lock And Dam Six
Dam
Pennsylvania
40.71667
-79.58
Allegheny River Lock And Dam Three
Dam
Pennsylvania
40.53833
-79.815
Allegheny River Lock And Dam Two
Dam
Pennsylvania
40.48667
-79.915
Augusta City Lock and Dam
Dam
Georgia
33.55444
-82.03722
Augusta City Lock and Dam
Dam
South Carolina
33.55417
-82.0375
Aux Sable Lock
Dam
Illinois
41.39556
-88.33194
Bay Springs Lock and Dam
Dam
Mississippi
34.52222
-88.325
Bayou Boef Lock
Dam
Louisiana
29.6825
-91.17583
Belleville Lock And Dam
Dam
West Virginia
39.11889
-81.7425
Berlin Lock Number One
Dam
Wisconsin
43.95194
-88.95861
Berwick Lock
Dam
Louisiana
29.71861
-91.22417
Best Lock Airstrip
Airport
Indiana
39.88806
-86.06611
Big Lock Pond
Lake
New York
44.01694
-73.585
Bonnie Lock
Populated Place
Florida
26.27917
-80.12806
Boston Lock
Dam
Ohio
41.26556
-81.55889
Brandon Road Lock and Dam
Dam
Illinois
41.505
-88.09833
Calion Lock and Dam
Dam
Arkansas
33.30667
-92.4825
Captain Anthony Meldahl Lock And Dam
Dam
Ohio
38.79722
-84.17056
Captain Athony Meldahl Lock and Dam
Dam
Kentucky
38.79306
-84.17167
Cedars Lock
Dam
Wisconsin
44.28
-88.33167
Chilo Lock 34 Park
Park
Ohio
38.78972
-84.13194
Chouteau Lock
Dam
Oklahoma
35.85694
-95.37
Chouteau Lock and Dam 17
Dam
Oklahoma
35.85833
-95.37167
Chouteau Lock and Dam 17
Reservoir
Oklahoma
35.85833
-95.37167
Claiborne Lock And Dam
Dam
Alabama
31.61472
-87.55222
Coffeeville Lock And Dam
Dam
Alabama
31.7575
-88.12944
Columbia Lock and Dam
Dam
Louisiana
32.16667
-92.11528
Columbus Lock and Dam
Dam
Mississippi
33.51806
-88.48806
Cordell Hull Lock and Dam
Dam
Tennessee
36.29083
-85.94278
Coyne Lock
Populated Place
Pennsylvania
39.76722
-76.27417
Dam And Lock Number 17
Dam
Iowa
41.19083
-91.06
Dam And Lock Number 17
Dam
Illinois
41.19139
-91.05861
Dardanelle Lock and Dam
Dam
Arkansas
35.24861
-93.17083
David D Terry Lock and Dam
Dam
Arkansas
34.66694
-92.15472
Davis Lock
Dam
Michigan
46.50361
-84.35111
Deep Creek Lock
Dam
Virginia
36.74611
-76.34
Deep Creek Lock
Dam
Virginia
36.74583
-76.34028
Deep Lock (historical)
Dam
Ohio
41.23333
-81.55972
Demopolis Lock And Dam
Dam
Alabama
32.52
-87.88
Dresden Island Lock and Dam
Dam
Illinois
41.40083
-88.28139
East Guard Lock
Dam
New York
43.11667
-77.63333
Eisenhower Lock
Pillar
New York
44.97917
-74.85
Empire Lock
Dam
Louisiana
29.38861
-89.59639
Entrance to Bonneville Lock
Channel
Oregon
45.635
-121.95944
Eureka Lock Number One
Dam
Wisconsin
43.99611
-88.86944
Farmington Canal Lock
Dam
Connecticut
41.47833
-72.92194
Felsenthal Lock and Dam
Dam
Arkansas
33.06083
-92.11361
Fivemile Lock Light
Locale
Oregon
45.63806
-121.09361
Fricks Lock
Populated Place
Pennsylvania
40.22222
-75.59583
Gaging Station Lock Number 6
Dam
Kentucky
37.20639
-86.26056
Gallipolis Lock and Dam
Dam
West Virginia
38.68139
-82.18972
Gallipolis Lock and Dam
Dam
West Virginia
38.68139
-82.18972
George W Andrews Lock And Dam
Dam
Alabama
31.26
-85.11
George W Andrews Lock And Dam
Dam
Georgia
31.25889
-85.11
Glen Lock Lake
Reservoir
Wisconsin
44.95694
-91.39944
Great Bridge Lock
Dam
Virginia
36.72361
-76.24778
Gretchens Lock Trail
Trail
Ohio
40.70778
-80.59389
Grey Lock Peak
Summit
Idaho
43.83889
-115.08528
Guard Lock Number 5
Dam
Maryland
39.50278
-77.84556
Guard Lock Number 5
Dam
Maryland
39.60694
-77.9225
Guard Lock Number 8
Dam
Maryland
39.64722
-78.76417
Hildebrand Lock and Dam
Dam
West Virginia
39.58333
-80.01333
Hilderbrand Lock and Dam
Dam
West Virginia
39.58194
-80.01028
Holt Lock And Dam
Dam
Alabama
33.25417
-87.44889
Ice Harbor Lock and Dam
Dam
Washington
46.24972
-118.87861
Inglis Lock
Dam
Florida
29.02417
-82.6175
John Hollis Bankhead Lock and Dam
Dam
Alabama
33.45806
-87.35667
Jonesville Lock and Dam
Dam
Louisiana
31.4825
-91.85917
Jonesville Lock Landing Strip
Airport
Louisiana
31.47667
-91.86611
Kaskaskia Lock and Dam
Dam
Illinois
37.98333
-89.945
Keystone Lock and Dam
Dam
Louisiana
30.07083
-91.82889
Knob Lock Mountain
Summit
New York
44.20028
-73.70778
La Grange Lock and Dam
Dam
Illinois
39.94056
-90.53333
La Grange Lock and Dam
Dam
Illinois
39.94
-90.53333
Lake Apopka Lock and Dam
Dam
Florida
28.7225
-81.68444
Leland Bowman Lock
Dam
Louisiana
29.78361
-92.19722
Lift Lock (historical)
Dam
Alabama
34.89778
-88.06722
Little Goose Lock and Dam
Dam
Washington
46.5875
-118.025
Little Goose Lock and Dam Airport
Airport
Washington
46.58417
-118.00417
Little Kaukauna Lock and Dam
Dam
Wisconsin
44.37639
-88.12361
Lock
Park
Arkansas
34.40833
-92.10389
Lock
Populated Place
Ohio
38.44944
-82.32722
Lock
Populated Place
Ohio
40.27139
-82.61083
Lock 1
Dam
Arkansas
35.75694
-91.63583
Lock 1
Dam
District of Columbia
38.90361
-77.0575
Lock 10
Dam
Maryland
38.97222
-77.16861
Lock 11
Dam
Maryland
38.97222
-77.17222
Lock 12
Dam
Maryland
38.97222
-77.17806
Lock 12 (historical)
Dam
West Virginia
40.10472
-80.70417
Lock 13
Dam
Maryland
38.97222
-77.17972
Lock 14
Dam
Maryland
38.97194
-77.18111
Lock 15
Dam
Maryland
38.98917
-77.24444
Lock 16
Dam
Maryland
38.99194
-77.24444
Lock 17
Dam
Maryland
38.99611
-77.24833
Lock 18
Dam
Maryland
38.9975
-77.24861
Lock 19
Dam
Maryland
38.99833
-77.24889
Lock 2
Dam
District of Columbia
38.90389
-77.05861
Lock 21
Dam
New York
43.20889
-75.61889
Lock 22
Dam
Maryland
39.05361
-77.28917
Lock 22
Dam
New York
43.20944
-75.64556
Lock 23
Dam
Maryland
39.06694
-77.32917
Lock 23
Dam
New York
43.23861
-76.1975
Lock 24
Dam
Maryland
39.06861
-77.34056
Lock 25
Dam
Maryland
39.10333
-77.4725
Lock 26
Dam
Maryland
39.19056
-77.47167
Lock 3
Dam
District of Columbia
38.90389
-77.05972
Lock 30
Dam
Maryland
39.31139
-77.63028
Lock 31
Dam
Maryland
39.32917
-77.68083
Lock 32
Dam
Maryland
39.32389
-77.71889
Lock 32
Dam
New York
43.09083
-77.54528
Lock 33
Dam
Maryland
39.32472
-77.72722
Lock 34
Dam
Maryland
39.33278
-77.73861
Lock 37
Dam
Maryland
39.38528
-77.73528
Lock 38
Dam
Maryland
39.43528
-77.79861
Lock 39
Dam
Maryland
39.44389
-77.78389
Lock 4
Dam
District of Columbia
38.90417
-77.06083
Lock 40
Dam
Maryland
39.48611
-77.77778
Lock 45
Dam
Maryland
39.60083
-77.82806
Lock 5
Dam
Maryland
38.94
-77.1225
Lock 5
Dam
Wisconsin
44.28694
-88.24639
Lock 5 (historical)
Dam
West Virginia
38.255
-81.56944
Lock 51
Dam
Maryland
39.69306
-78.14889
Lock 52
Dam
Maryland
39.69389
-78.15667
Lock 53
Dam
Maryland
39.65083
-78.24222
Lock 54
Dam
Maryland
39.62472
-78.29167
Lock 55
Dam
Maryland
39.62583
-78.29417
Lock 56
Dam
Maryland
39.63611
-78.325
Lock 57
Dam
Maryland
39.62778
-78.36389
Lock 58
Dam
Maryland
39.61722
-78.395
Lock 59
Dam
Maryland
39.60667
-78.42944
Lock 6
Dam
Maryland
38.94472
-77.12417
Lock 6 (historical)
Dam
West Virginia
38.37167
-81.70417
Lock 60
Dam
Maryland
39.58333
-78.39889
Lock 61
Dam
Maryland
39.59139
-78.44167
Lock 67
Dam
Maryland
39.52556
-78.53306
Lock 68
Dam
Maryland
39.53028
-78.58806
Lock 69
Dam
Maryland
39.53917
-78.60139
Lock 7
Dam
Maryland
38.96444
-77.13917
Lock 70
Dam
Maryland
39.5425
-78.61972
Lock 71
Dam
Maryland
39.54528
-78.62472
Lock 72
Dam
Maryland
39.57278
-78.72861
Lock 73
Dam
Maryland
39.58722
-78.73333
Lock 74
Dam
Maryland
39.58806
-78.735
Lock 8
Dam
Maryland
38.97083
-77.16111
Lock 9
Dam
Kentucky
37.84306
-84.44028
Lock 9
Dam
Maryland
38.97222
-77.16722
Lock A (historical)
Dam
Tennessee
36.315
-87.19222
Lock A Recreation Area
Park
Tennessee
36.31583
-87.18694
Lock Alsh Dam
Dam
Pennsylvania
40.15583
-75.205
Lock Alsh Reservoir
Reservoir
Pennsylvania
40.155
-75.205
Lock Alsh Reservoir Dam
Dam
Pennsylvania
40.155
-75.205
Lock and Dam 18
Reservoir
Oklahoma
36.06
-95.53833
Lock and Dam 24
Dam
Missouri
39.37667
-90.90833
Lock and Dam 25
Dam
Missouri
39.005
-90.68667
Lock and Dam 27
Dam
Missouri
38.75667
-90.175
Lock and Dam No
Dam
Iowa
43.21278
-91.10194
Lock and Dam No
Dam
Iowa
42.78583
-91.09333
Lock and Dam No
Dam
Iowa
41.89833
-90.15722
Lock and Dam Number 1
Dam
Arkansas
34.01944
-91.19361
Lock and Dam Number 1
Dam
Kentucky
37.85833
-87.41
Lock and Dam Number 10 (historical)
Dam
Ohio
40.38111
-80.61528
Lock And Dam Number 11
Dam
Iowa
42.54028
-90.64417
Lock and Dam Number 11
Dam
Wisconsin
42.54139
-90.64083
Lock and Dam Number 11 (historical)
Dam
Ohio
40.24556
-80.65
Lock and Dam Number 12
Dam
Illinois
42.26139
-90.42
Lock and Dam Number 13
Dam
Arkansas
35.35
-94.29167
Lock and Dam Number 13
Dam
Arkansas
35.35056
-94.2975
Lock and Dam Number 13
Dam
Illinois
41.89806
-90.15583
Lock and Dam Number 13 (historical)
Dam
Ohio
39.98917
-80.7375
Lock And Dam Number 14
Dam
Iowa
41.57333
-90.39889
Lock And Dam Number 15
Dam
Iowa
41.51861
-90.56889
Lock and Dam Number 15 (historical)
Dam
Ohio
39.62917
-80.87306
Lock and Dam Number 16
Dam
Iowa
41.42556
-91.00944
Lock and Dam Number 16
Dam
West Virginia
39.47222
-81.11
Lock And Dam Number 18
Dam
Iowa
40.88278
-91.02389
Lock and Dam Number 18
Dam
Illinois
40.88167
-91.02389
Lock and Dam Number 18 (historical)
Dam
Ohio
39.33472
-81.5575
Lock And Dam Number 19
Dam
West Virginia
39.25667
-81.69361
Lock and Dam Number 19 (historical)
Dam
Ohio
39.25611
-81.69444
Lock and Dam Number 2
Dam
Arkansas
35.74417
-91.76583
Lock and Dam Number 20
Dam
Illinois
40.14417
-91.50972
Lock and Dam Number 20 (historical)
Dam
Ohio
39.1375
-81.74306
Lock and Dam Number 21
Dam
Illinois
39.90389
-91.42889
Lock and Dam Number 21 (historical)
Dam
Ohio
39.02417
-81.76806
Lock and Dam Number 22
Dam
Illinois
39.63889
-91.24417
Lock and Dam Number 22
Dam
Missouri
39.63833
-91.24667
Lock and Dam Number 22 (historical)
Dam
Ohio
38.94167
-81.76111
Lock and Dam Number 23 (historical)
Dam
Ohio
38.88444
-81.86639
Lock and Dam Number 24
Dam
Illinois
39.37778
-90.90222
Lock and Dam Number 24 (historical)
Dam
Ohio
38.97861
-81.92944
Lock and Dam Number 25
Dam
Illinois
39.00472
-90.68639
Lock and Dam Number 25 (historical)
Dam
Ohio
38.905
-82.1325
Lock and Dam Number 26
Dam
Illinois
38.88639
-90.18472
Lock and Dam Number 26 (historical)
Dam
Ohio
38.69278
-82.18611
Lock and Dam Number 26 Heliport
Airport
Missouri
38.86306
-90.15694
Lock and Dam Number 27 (historical)
Dam
Ohio
38.45056
-82.32028
Lock and Dam Number 28 (historical)
Dam
Ohio
38.41111
-82.50056
Lock and Dam Number 29 (historical)
Dam
Ohio
38.45583
-82.60611
Lock and Dam Number 3
Dam
Arkansas
34.165
-91.67833
Lock and Dam Number 3
Dam
Minnesota
44.61
-92.61
Lock and Dam Number 3
Dam
Pennsylvania
40.53611
-79.815
Lock and Dam Number 30 (historical)
Dam
Ohio
38.62417
-82.85833
Lock and Dam Number 31 (historical)
Dam
Ohio
38.70056
-83.04611
Lock and Dam Number 32 (historical)
Dam
Ohio
38.655
-83.36333
Lock and Dam Number 37 (historical)
Dam
Ohio
39.11778
-84.70417
Lock and Dam Number 4
Dam
Kentucky
38.21167
-84.87222
Lock and Dam Number 4
Dam
Wisconsin
44.32556
-91.92
Lock and Dam Number 4
Dam
West Virginia
39.03333
-81.40639
Lock and Dam Number 46
Dam
Indiana
37.78111
-87.12694
Lock and Dam Number 46
Dam
Kentucky
37.78167
-87.12639
Lock and Dam Number 48
Dam
Indiana
37.835
-87.67806
Lock and Dam Number 48
Dam
Kentucky
37.83333
-87.68
Lock and Dam Number 5
Dam
Arkansas
34.41194
-92.10278
Lock and Dam Number 5
Dam
Minnesota
44.16167
-91.81167
Lock and Dam Number 5
Dam
Wisconsin
44.16111
-91.81056
Lock and Dam Number 5 Public Use Area
Park
Arkansas
34.40944
-92.10556
Lock and Dam Number 51
Dam
Illinois
37.35639
-88.47889
Lock and Dam Number 51
Dam
Kentucky
37.35667
-88.47806
Lock and Dam Number 53
Dam
Illinois
37.20139
-89.04
Lock and Dam Number 53
Dam
Kentucky
37.20306
-89.04056
Lock and Dam Number 5A
Dam
Minnesota
44.08833
-91.67
Lock and Dam Number 6
Dam
Arkansas
33.0325
-92.08889
Lock and Dam Number 6
Dam
Wisconsin
43.99972
-91.43806
Lock and Dam Number 7
Dam
Minnesota
43.86667
-91.30833
Lock and Dam Number 7
Dam
Wisconsin
43.86694
-91.30694
Lock and Dam Number 8
Dam
Arkansas
33.30167
-92.46111
Lock and Dam Number 8
Dam
Wisconsin
43.57
-91.23167
Lock and Dam Number 8
Dam
Wisconsin
43.57056
-91.23194
Lock and Dam Number 8 (historical)
Dam
Ohio
40.105
-80.70583
Lock and Dam Number 9
Dam
Wisconsin
43.21278
-91.10417
Lock and Dam Number 9 (historical)
Dam
Ohio
40.5025
-80.61583
Lock and Dam Number Eight
Dam
Arkansas
33.30167
-92.46333
Lock And Dam Number Eight
Dam
Minnesota
43.57028
-91.2325
Lock and Dam Number Five
Dam
Louisiana
32.70194
-92.085
Lock And Dam Number Five
Dam
Minnesota
44.16056
-91.81139
Lock And Dam Number Five A
Dam
Minnesota
44.08806
-91.67056
Lock and Dam Number Five A
Dam
Wisconsin
44.08833
-91.66861
Lock and Dam Number Four
Dam
Arkansas
34.24833
-91.90333
Lock And Dam Number Four
Dam
Minnesota
44.32472
-91.92278
Lock and Dam Number Four (historical)
Dam
Louisiana
32.46722
-92.11611
Lock and Dam Number Nine
Dam
Arkansas
35.125
-92.78667
Lock and Dam Number Nineteen
Dam
Illinois
40.3975
-91.26472
Lock and Dam Number One
Dam
Arkansas
35.75667
-91.63667
Lock And Dam Number One
Dam
Minnesota
44.91528
-93.20028
Lock and Dam Number One
Dam
North Carolina
34.405
-78.29333
Lock And Dam Number Six
Dam
Minnesota
43.99972
-91.4375
Lock and Dam Number Ten
Dam
Iowa
42.785
-91.095
Lock and Dam Number Three
Dam
Arkansas
35.84333
-91.85
Lock And Dam Number Three
Dam
Minnesota
44.61167
-92.60972
Lock and Dam Number Three (historical)
Dam
Louisiana
32.17861
-92.10528
Lock and Dam Number Twenty
Dam
Missouri
40.14361
-91.5125
Lock and Dam Number Twenty-five
Dam
Missouri
39.00361
-90.68889
Lock and Dam Number Twenty-one
Dam
Missouri
39.90639
-91.43194
Lock and Dam Number Twenty-six
Dam
Illinois
38.86917
-90.15361
Lock and Dam Number Twenty-six
Dam
Missouri
38.88472
-90.18639
Lock and Dam Number Twenty-two
Dam
Missouri
39.63611
-91.24889
Lock and Dam Number Two
Dam
Arkansas
35.755
-91.765
Lock and Dam Number Two
Dam
Louisiana
31.77528
-91.81556
Lock And Dam Number Two
Dam
Minnesota
44.75972
-92.86833
Lock Arbor
Populated Place
Florida
28.78639
-81.31639
Lock Arbor
Locale
Louisiana
32.66667
-92.08694
Lock B
Dam
Tennessee
36.42056
-87.29194
Lock B (historical)
Dam
Alabama
34.745
-87.25194
Lock Bend
Bend
Arkansas
33.30222
-92.46417
Lock Bend
Bend
Kentucky
37.03694
-86.49611
Lock Bend
Bend
Tennessee
35.74667
-85.7
Lock Berlin
Populated Place
New York
43.07889
-76.94639
Lock Bluff (historical)
Locale
Montana
46.29528
-106.22722
Lock Branch
Stream
Kentucky
37.55778
-84.96139
Lock Branch
Stream
Pennsylvania
41.45583
-77.93028
Lock Branch
Stream
Tennessee
36.43667
-85.63944
Lock Branch Landing
Locale
Tennessee
36.43667
-85.63861
Lock C (historical)
Dam
Tennessee
36.42278
-87.57694
Lock Canyon
Valley
Texas
31.82472
-100.57194
Lock Cemetery
Cemetery
Florida
28.39472
-81.3275
Lock Cemetery
Cemetery
Illinois
39.77028
-91.14639
Lock Cemetery
Cemetery
Missouri
39.61417
-92.92444
Lock Cemetery
Cemetery
Ohio
40.26833
-82.60861
Lock Cemetery
Cemetery
Tennessee
Lock Creek
Stream
Florida
29.32222
-83.12889
Lock Creek
Stream
Mississippi
32.73167
-90.06917
Lock Creek
Stream
Montana
45.11056
-105.74167
Lock D (historical)
Dam
Tennessee
36.495
-87.85306
Lock Dam
Dam
Maine
46.275
-69.35167
Lock Dam Campsite
Locale
Maine
46.27417
-69.35194
Lock Dam Number 4
Dam
Kentucky
37.18333
-86.63139
Lock Ditch
Canal
Indiana
40.09222
-85.90389
Lock Eight Post Office (historical)
Post Office
West Virginia
Lock Eight Public Use Area
Park
Alabama
32.89306
-87.78333
Lock Fifteen
Dam
Ohio
39.62833
-80.87556
Lock Five
Populated Place
Alabama
32.58306
-87.73667
Lock Five (historical)
Locale
Alabama
33.55417
-86.19833
Lock Four
Locale
Alabama
34.8125
-87.43778
Lock Four (historical)
Locale
Alabama
32.51472
-87.85278
Lock Four (historical)
Dam
Alabama
33.63528
-86.16389
Lock Four School
School
Pennsylvania
40.1525
-79.90833
Lock Haven
Populated Place
Pennsylvania
41.13694
-77.44722
Lock Haven Church
Church
Florida
28.35889
-81.30972
Lock Haven Hospital
Hospital
Pennsylvania
41.13056
-77.475
Lock Haven Hospital Heliport
Airport
Pennsylvania
41.13056
-77.475
Lock Haven Lake
Reservoir
Virginia
37.34528
-80.00194
Lock Haven Park
Park
Maryland
38.91861
-76.53722
Lock Haven State College
School
Pennsylvania
41.13944
-77.46556
Lock Haven University of Pennsylvania
School
Pennsylvania
41.13944
-77.46556
Lock Hollow
Valley
Arkansas
35.65639
-93.46889
Lock Hollow
Valley
Kentucky
38.42194
-82.78444
Lock Hollow
Valley
Kentucky
38.05139
-84.83583
Lock House
Park
District of Columbia
38.89139
-77.04
Lock House Number 1
Building
West Virginia
38.37694
-81.83472
Lock Island
Island
Alaska
57.72528
-136.19639
Lock Island
Island
Maryland
39.02833
-77.24306
Lock Lake
Reservoir
Missouri
37.18167
-89.63
Lock Lake
Lake
Texas
32.24417
-95.74444
Lock Landing
Locale
North Carolina
34.54361
-78.43722
Lock Linden Dam
Dam
Pennsylvania
40.15417
-75.20833
Lock Meadows Park
Park
Ohio
39.81028
-82.97111
Lock Mill (historical)
Locale
District of Columbia
38.91972
-77.10417
Lock Mine
Mine
Wyoming
42.87639
-107.50972
Lock Mountain
Summit
New York
44.00806
-73.5925
Lock Mountain
Summit
Pennsylvania
40.36417
-78.32194
Lock Museum of America
Building
Connecticut
41.67861
-73.01167
Lock Museum of America Library
Building
Connecticut
41.67861
-73.01167
Lock Noll Lake
Reservoir
Missouri
38.79333
-94.51833
Lock Noll Lake Dam
Dam
Missouri
38.79333
-94.51833
Lock Number 1
Dam
Kentucky
38.65833
-85.14528
Lock Number 1
Dam
Kentucky
37.08639
-86.5025
Lock Number 1
Dam
North Carolina
34.40444
-78.29361
Lock Number 1
Dam
New York
42.94778
-76.73444
Lock Number 1
Dam
New York
43.22972
-76.30278
Lock Number 1
Dam
New York
42.82389
-73.665
Lock Number 10
Dam
Illinois
41.30417
-89.50583
Lock Number 10
Dam
New York
42.91694
-74.14111
Lock Number 11
Dam
Illinois
41.315
-89.51167
Lock Number 11
Dam
Kentucky
37.78417
-84.10278
Lock Number 11
Dam
New York
42.94667
-74.21056
Lock Number 11 (historical)
Dam
West Virginia
38.82111
-82.11833
Lock Number 11 (historical)
Dam
West Virginia
39.59306
-79.96583
Lock Number 12
Dam
Illinois
41.32222
-89.51806
Lock Number 12 (historical)
Dam
Illinois
41.33528
-88.89639
Lock Number 13
Dam
Illinois
41.325
-89.53139
Lock Number 13
Dam
Kentucky
37.60222
-83.83139
Lock Number 13 (historical)
Dam
West Virginia
39.5625
-80.02278
Lock Number 14
Dam
Illinois
41.33278
-89.54306
Lock Number 14
Dam
Kentucky
37.5525
-83.77
Lock Number 14
Dam
Ohio
40.60056
-84.36972
Lock Number 15
Dam
Illinois
41.33889
-89.55139
Lock Number 16
Dam
Illinois
41.34056
-89.55389
Lock Number 17
Dam
Illinois
41.34333
-89.55722
Lock Number 17
Dam
West Virginia
39.36639
-81.39972
Lock Number 18
Dam
Illinois
41.35333
-89.57333
Lock Number 19
Dam
Iowa
40.395
-91.37361
Lock Number 19
Dam
Illinois
41.35389
-89.58806
Lock Number 19
Dam
Illinois
40.39528
-91.37333
Lock Number 2
Dam
Arkansas
34.02583
-91.24472
Lock Number 2
Dam
Kentucky
38.43889
-84.9625
Lock Number 2
Dam
Kentucky
37.53167
-87.26361
Lock Number 2
Dam
North Carolina
36.43944
-76.32444
Lock Number 2
Dam
New York
43.31667
-76.41528
Lock Number 2
Dam
New York
42.78889
-73.6825
Lock Number 2
Dam
New York
42.8775
-73.67667
Lock Number 2
Dam
New York
42.91472
-76.78556
Lock Number 2
Dam
New York
43.0625
-76.99722
Lock Number 2
Dam
Ohio
39.47056
-81.49111
Lock Number 20
Dam
Illinois
41.36472
-89.60694
Lock Number 20
Dam
New York
43.1425
-75.29139
Lock Number 21
Dam
Illinois
41.3625
-89.60278
Lock Number 22
Dam
Illinois
41.40083
-89.79806
Lock Number 22 (historical)
Dam
West Virginia
38.94167
-81.76111
Lock Number 23
Dam
Illinois
41.42917
-89.965
Lock Number 24
Dam
Illinois
41.47528
-90.14194
Lock Number 24
Dam
New York
43.15583
-76.33333
Lock Number 24 (historical)
Dam
West Virginia
38.97861
-81.92944
Lock Number 25
Dam
Illinois
41.47278
-90.24222
Lock Number 25
Dam
New York
42.99889
-76.76222
Lock Number 26
Dam
Illinois
41.47306
-90.26167
Lock Number 27
Dam
Illinois
41.47917
-90.30472
Lock Number 27
Dam
Illinois
38.70306
-90.18083
Lock Number 28
Dam
Illinois
41.48111
-90.34889
Lock Number 28
Dam
Maryland
39.28167
-77.54778
Lock Number 29
Dam
Illinois
41.47111
-90.38972
Lock Number 29
Dam
Maryland
39.30639
-77.55861
Lock Number 3
Dam
Kentucky
37.21444
-86.89972
Lock Number 3
Dam
Kentucky
38.41667
-84.88056
Lock Number 3
Dam
New York
43.325
-76.41944
Lock Number 3
Dam
New York
42.91167
-73.67778
Lock Number 3
Dam
New York
42.91417
-76.78806
Lock Number 30
Dam
New York
43.07333
-77.30139
Lock Number 30 (historical)
Dam
Illinois
41.46139
-90.54778
Lock Number 31 (historical)
Dam
Illinois
41.46083
-90.59278
Lock Number 32 (historical)
Dam
Illinois
41.48083
-90.61583
Lock Number 35
Dam
Maryland
39.33667
-77.75167
Lock Number 36
Dam
Maryland
39.33694
-77.75333
Lock Number 4
Dam
New York
42.93194
-73.655
Lock Number 4
Dam
New York
42.80083
-73.6925
Lock Number 4
Dam
New York
42.90111
-76.86472
Lock Number 44
Dam
Ohio
41.41528
-83.86194
Lock Number 45
Dam
Maryland
39.61361
-77.92611
Lock Number 46
Dam
Maryland
39.61556
-77.92722
Lock Number 47
Dam
Maryland
39.61722
-77.94722
Lock Number 48
Dam
Maryland
39.61639
-77.94778
Lock Number 49
Dam
Maryland
39.615
-77.94861
Lock Number 5
Dam
Kentucky
38.05222
-84.83
Lock Number 5
Dam
New York
43.40028
-76.47389
Lock Number 5
Dam
New York
42.80222
-73.69694
Lock Number 5
Dam
New York
43.1125
-73.57889
Lock Number 50
Dam
Maryland
39.61417
-77.94889
Lock Number 52
Dam
Illinois
37.12639
-88.65389
Lock Number 52
Dam
Kentucky
37.12611
-88.65417
Lock Number 6
Dam
Kentucky
37.92667
-84.82139
Lock Number 6
Dam
New York
43.44444
-76.49528
Lock Number 6
Dam
New York
42.80278
-73.7025
Lock Number 6
Dam
New York
43.16167
-73.58056
Lock Number 7
Dam
New York
42.80361
-73.84806
Lock Number 7
Dam
New York
43.25667
-73.58417
Lock Number 7
Dam
Texas
32.44333
-96.48361
Lock Number 8
Dam
New York
43.45639
-76.50917
Lock Number 8
Dam
New York
42.82944
-73.99194
Lock Number 8
Dam
New York
43.28222
-73.55917
Lock Number 9
Dam
New York
42.87833
-74.04167
Lock Number Eight
Dam
Pennsylvania
39.72722
-79.91111
Lock Number Eight (historical)
Locale
Alabama
32.89444
-87.78389
Lock Number Eight (historical)
Dam
Alabama
34.83028
-87.565
Lock Number Eight (historical)
Dam
Alabama
33.43806
-87.37639
Lock Number Eleven (historical)
Locale
Alabama
33.21944
-87.55528
Lock Number Eleven (historical)
Dam
Alabama
33.46833
-87.34444
Lock Number Fifteen (historical)
Locale
Alabama
33.36444
-87.41028
Lock Number Fifteen (historical)
Dam
Alabama
33.66472
-87.14028
Lock Number Five (historical)
Dam
Alabama
34.82444
-87.46722
Lock Number Five (historical)
Dam
Alabama
33.28417
-87.41028
Lock Number Five Left Bank Public Use Area
Park
Alabama
32.58694
-87.74361
Lock Number Fourteen (historical)
Locale
Alabama
33.28472
-87.40833
Lock Number Fourteen (historical)
Dam
Alabama
33.63167
-87.21417
Lock Number Nine (historical)
Locale
Alabama
32.99167
-87.70694
Lock Number Nine (historical)
Dam
Alabama
34.82722
-87.57
Lock Number Nine Left Bank Public Use Area
Park
Alabama
32.98972
-87.70611
Lock Number One
Dam
Louisiana
30.45583
-89.77917
Lock Number One (historical)
Dam
Alabama
33.83333
-86.05833
Lock Number One Left Bank Public Use Area
Park
Alabama
31.57361
-88.0325
Lock Number Seven
Dam
Pennsylvania
40.81889
-79.52972
Lock Number Seven (historical)
Locale
Alabama
32.78583
-87.83472
Lock Number Seven (historical)
Dam
Alabama
34.83333
-87.5575
Lock Number Seventeen (historical)
Dam
Alabama
33.45778
-87.35694
Lock Number Six
Dam
Alabama
32.71028
-87.79444
Lock Number Six (historical)
Dam
Alabama
34.84083
-87.54139
Lock Number Six (historical)
Dam
Alabama
33.35472
-87.415
Lock Number Six Left Bank Public Use Area
Park
Alabama
32.715
-87.79472
Lock Number Sixteen (historical)
Dam
Alabama
33.44444
-87.37361
Lock Number Sixty-Eight
Dam
Pennsylvania
40.03778
-75.245
Lock Number Thirteen (historical)
Dam
Alabama
33.55111
-87.18833
Lock Number Thirteen (historical)
Locale
Alabama
33.25278
-87.43472
Lock Number Three
Dam
Louisiana
30.63389
-89.86778
Lock Number Three (historical)
Locale
Alabama
32.32972
-87.95778
Lock Number Three (historical)
Dam
Alabama
33.77667
-86.05
Lock Number Twelve (historical)
Dam
Alabama
33.50389
-87.26083
Lock Number Twelve (historical)
Locale
Alabama
33.22306
-87.54639
Lock Number Two
Dam
Louisiana
30.59278
-89.86472
Lock Number Two
Dam
Pennsylvania
40.39167
-79.85944
Lock Number Two
Dam
Pennsylvania
40.48778
-79.91583
Lock Number Two (historical)
Locale
Alabama
32.16917
-88.01111
Lock Number Two (historical)
Dam
Alabama
33.79389
-86.0625
Lock Number Two Park
Park
Alabama
32.16972
-88.01278
Lock One Hollow
Valley
Alabama
34.81306
-87.34583
Lock One Park
Park
Ohio
40.43583
-84.38111
Lock One Park
Park
Tennessee
36.19972
-86.78778
Lock Playground
Park
Louisiana
30.21972
-93.21778
Lock Point
Cape
Louisiana
30.18722
-93.27778
Lock Pond
Illinois
40.47667
-89.89056
Lock Port
Populated Place
Ohio
41.54972
-84.39
Lock Post Office (historical)
Post Office
Oklahoma
Lock Ridge
Ridge
Pennsylvania
40.58333
-77.18472
Lock Ridge
Ridge
Pennsylvania
40.50528
-75.6
Lock Ridge
Ridge
Tennessee
36.40083
-82.19583
Lock School
School
Illinois
41.17833
-88.95111
Lock School
School
Tennessee
35.86528
-86.58806
Lock Seven
Dam
Alabama
32.78722
-87.83444
Lock Seven Post Office (historical)
Post Office
West Virginia
Lock Seven Public Use Area
Park
Alabama
32.78528
-87.83722
Lock Seventeen
Populated Place
Ohio
40.35611
-81.45583
Lock Seventeen Cemetery
Cemetery
Ohio
40.35056
-81.45861
Lock Six
Populated Place
Alabama
34.84833
-87.53639
Lock Six Day Use Area
Park
Alabama
34.84278
-87.5375
Lock Spring
Locale
Indiana
39.15806
-85.41222
Lock Spring Post Office (historical)
Post Office
Indiana
39.15806
-85.41222
Lock Springs
Populated Place
Missouri
39.84889
-93.77722
Lock Three
Populated Place
Alabama
34.81167
-87.41056
Lock Three Left Bank Public Use Area
Park
Alabama
32.33111
-87.95778
Lock Three Post Office (historical)
Post Office
Alabama
Lock Three Right Bank Public Use Area
Park
Alabama
32.32917
-87.95972
Lock Twelve
Dam
New York
43.55722
-73.40139
Lock Twelve (historical)
Dam
Alabama
32.96306
-86.51722
Lock Twelve Marina
Locale
New York
43.5575
-73.4
Lock Two
Populated Place
Ohio
40.45167
-84.36917
Lock Two Park
Park
Tennessee
36.24472
-86.70139
London Lock
Dam
West Virginia
38.19306
-81.36917
Lonesome Lock (historical)
Dam
Ohio
Mac Arthur Lock
Dam
Michigan
46.50222
-84.35111
Marseilles Lock
Dam
Illinois
41.32861
-88.75417
Maxwell Lock
Dam
Pennsylvania
40
-79.95889
Maxwell Lock and Dam
Dam
Pennsylvania
40.00167
-79.94167
McHenry Lock and Dam
Dam
Illinois
42.31
-88.25167
McNary Lock and Dam
Dam
Oregon
45.93
-119.295
Menasha Lock
Dam
Wisconsin
44.20278
-88.46056
Millers Ferry Lock and Dam
Dam
Alabama
32.10056
-87.39889
Mississippi Lock Number 019
Dam
Illinois
40.39833
-91.36333
Mississippi River Lock Dam Number Eighteen
Dam
Iowa
40.88333
-91.02667
Mississippi River Lock Dam Number Eleven
Dam
Iowa
42.54167
-90.64167
Mississippi River Lock Dam Number Fifteen
Dam
Iowa
41.52
-90.56667
Mississippi River Lock Dam Number Fourteen
Dam
Iowa
41.57167
-90.39833
Mississippi River Lock Dam Number Seventeen
Dam
Iowa
41.19167
-91.05833
Mississippi River Lock Dam Number Sixteen
Dam
Iowa
41.42667
-91.01
Mississippi River Lock Dam Number Thirteen
Dam
Iowa
41.89833
-90.15667
Monongahela River Lock And Dam Eight
Dam
Pennsylvania
39.72833
-79.91167
Monongahela River Lock And Dam Seven
Dam
Pennsylvania
39.785
-79.91833
Montgomery Dam and Lock
Dam
Illinois
41.23333
-88.33667
Morgantown Lock
Dam
West Virginia
39.61972
-79.96972
Morgantown Lock and Dam
Dam
West Virginia
39.61833
-79.96833
Moss Bluff Lock and Dam
Dam
Florida
29.07972
-81.88194
Mountain Lock Campground
Locale
Maryland
39.38694
-77.73306
Mud Lock
Populated Place
New York
42.94639
-76.73639
Murray Lock and Dam
Dam
Arkansas
34.79083
-92.35861
Muskingum River Lock and Dam Number
Reservoir
Ohio
39.54667
-81.78833
Muskingum River Lock and Dam Number
Reservoir
Ohio
39.64167
-81.85
Muskingum River Lock and Dam Number
Reservoir
Ohio
39.73333
-81.90833
Muskingum River Lock and Dam Number
Reservoir
Ohio
39.87
-81.91
Muskingum River Lock and Dam Number
Reservoir
Ohio
39.94167
-82.01333
Muskingum River Lock and Dam Number
Reservoir
Ohio
40.04333
-81.97833
Muskingum River Lock and Dam Number
Reservoir
Ohio
39.47
-81.49167
Muskingum River Lock and Dam Number
Reservoir
Ohio
39.53
-81.51667
Muskingum River Lock and Dam Number
Reservoir
Ohio
39.53667
-81.72167
Muskingum River Lock and Dam Number
Reservoir
Ohio
39.555
-81.64667
Muskingum River Lock and Dam Number 10
Dam
Ohio
39.94167
-82.01333
Muskingum River Lock and Dam Number 11
Dam
Ohio
40.04333
-81.97833
Muskingum River Lock and Dam Number Eight
Dam
Ohio
39.73333
-81.90833
Muskingum River Lock and Dam Number Five
Dam
Ohio
39.53667
-81.72167
Muskingum River Lock and Dam Number Four
Dam
Ohio
39.555
-81.64667
Muskingum River Lock and Dam Number Nine
Dam
Ohio
39.87
-81.91
Muskingum River Lock and Dam Number Seven
Dam
Ohio
39.64167
-81.85
Muskingum River Lock and Dam Number Six
Dam
Ohio
39.54667
-81.78833
Muskingum River Lock and Dam Number Three
Dam
Ohio
39.53
-81.51667
Muskingum River Lock and Dam Number Two
Dam
Ohio
39.47
-81.49167
New Cumberland Lock and Dam
Dam
Ohio
40.5275
-80.62722
New Cumberland Lock And Dam
Dam
West Virginia
40.5275
-80.62722
New Savannah Bluff Lock And Dam
Dam
Georgia
33.37333
-81.94167
Newt Graham Lock and Dam
Dam
Oklahoma
36.05889
-95.53556
Newt Graham Lock and Dam 18
Dam
Oklahoma
36.06
-95.53833
Norrell Lock and Dam
Dam
Arkansas
34.01833
-91.18833
Northington Lock and Dam
Locale
North Carolina
35.47333
-78.91111
Old Lock (historical)
Locale
North Carolina
35.61556
-77.35778
Old Lock 15 Public Use Area
Park
Alabama
33.36472
-87.41444
Old Lock 16 Public Use Area
Park
Alabama
33.44333
-87.37167
Old Lock and Dam (historical)
Dam
Missouri
38.47028
-92.03194
Old Lock and Dam B (historical)
Dam
Tennessee
36.42028
-87.29028
Old Lock and Dam Number Eight (historical)
Dam
Tennessee
36.29278
-85.91583
Old Lock and Dam Number Five (historical)
Dam
Tennessee
36.31806
-86.24722
Old Lock and Dam Number Four (historical)
Dam
Tennessee
36.32944
-86.46528
Old Lock and Dam Number One (historical)
Dam
Tennessee
36.19917
-86.78861
Old Lock and Dam Number Seven (historical)
Dam
Tennessee
36.28806
-86.03111
Old Lock and Dam Number Six (historical)
Dam
Tennessee
36.34861
-86.1425
Old Lock and Dam Number Three (historical)
Dam
Tennessee
36.27556
-86.64333
Old Lock and Dam Number Two (historical)
Dam
Tennessee
36.24556
-86.70222
Old Lock Number 1
Dam
Alabama
31.57389
-88.0325
Old Lock Number Five (historical)
Locale
Alabama
32.58611
-87.74389
Old Lock Number Ten (historical)
Locale
Alabama
33.21667
-87.56333
Old Lock One Cut-Off
Channel
Alabama
31.57722
-88.04611
Old Lock Pump House
Building
Maryland
39.52694
-75.80694
Old Lock Three Access Area
Park
Tennessee
36.27611
-86.63194
Old River Lock
Dam
Louisiana
31.0025
-91.67167
Oliver Lock and Dam
Dam
Alabama
33.21167
-87.58611
Opekiska Lock and Dam
Dam
West Virginia
39.56333
-80.05
Ortona Lock
Dam
Florida
26.78889
-81.305
Ostrica Lock
Dam
Louisiana
29.3675
-89.52972
Overton Lock and Dam
Dam
Louisiana
31.18472
-92.30167
Ozark-Jeta Taylor Lock and Dam
Dam
Arkansas
35.47194
-93.815
Pancake Lock (historical)
Dam
Ohio
41.18778
-81.57972
Peoria Lock and Dam
Dam
Illinois
40.63278
-89.62556
Pike Island Lock And Dam
Dam
Ohio
40.15111
-80.70556
Pike Island Lock and Dam
Dam
West Virginia
40.14972
-80.70111
Plaquemine Lock
Dam
Louisiana
30.29222
-91.23389
Plaquemine Lock State Historic Site
Park
Louisiana
30.29333
-91.23444
Poe Lock
Dam
Michigan
46.50278
-84.35111
Poole Bluff Sill and Pearl River Lock Three Dam
Dam
Louisiana
30.70333
-89.84667
Port Allen Lock
Dam
Louisiana
30.43083
-91.20778
Port Lock Run
Stream
Virginia
38.16
-79.84778
Princeton Lock (historical)
Dam
Wisconsin
43.82611
-89.15778
Red Lock (historical)
Dam
Ohio
Robert F Henry Lock and Dam
Dam
Alabama
32.3225
-86.78667
Robert S Kerr Lock and Dam 15
Dam
Oklahoma
35.34667
-94.77667
Robert S Kerr Lock and Dam 15
Reservoir
Oklahoma
35.34667
-94.77667
Rokeby Lock
Populated Place
Ohio
39.73194
-81.90528
Safe Lock Post Office (historical)
Post Office
Tennessee
Saint Anthony Falls Lower Lock and Dam
Dam
Minnesota
44.97833
-93.24667
Saint Anthony Falls Upper Lock and Dam
Dam
Minnesota
44.98167
-93.25833
Saint Johns Lock
Dam
Florida
29.54583
-81.72806
Saint Lucie Lock and Dam
Dam
Florida
27.11111
-80.28472
Sandy Lake Dam and Lock
Dam
Minnesota
46.78833
-93.32833
Sea Lock
Populated Place
Virginia
38.8675
-78.13722
Smithland Lock and Dam
Dam
Kentucky
37.16944
-88.42556
Smithland Lock One Dam
Dam
Illinois
37.42222
-88.42972
Snell Lock
Pillar
New York
44.98778
-74.77806
Songo Lock
Populated Place
Maine
43.9325
-70.57056
Songo Lock Dam
Dam
Maine
43.93167
-70.57833
Songo Lock Post Office (historical)
Post Office
Maine
Songo River Lock
Dam
Maine
43.93194
-70.57778
Starved Rock Lock and Dam
Dam
Illinois
41.32222
-88.985
Sulphur Springs Guard Lock
Dam
New York
43.11583
-78.73694
Swains Lock
Dam
Maryland
39.03139
-77.24361
The Lock
Locale
Virginia
39.46056
-78.34667
Thomas J O'Brien Lock and Dam
Dam
Illinois
41.65222
-87.56667
Tidewater Lock
Dam
District of Columbia
38.89944
-77.05778
Toad Suck Ferry Lock and Dam
Dam
Arkansas
35.07667
-92.53833
Tom Lock Hollow
Valley
Missouri
37.78167
-92.94944
Troy Lock
Dam
New York
42.75111
-73.68611
US Lock and Dam Number 2
Dam
North Carolina
34.62694
-78.5775
W D Mayo Lock and Dam 14
Dam
Oklahoma
35.315
-94.55833
W D Mayo Lock and Dam 14
Reservoir
Oklahoma
35.315
-94.55833
W.D. Mayo Lock and Dam Number 14
Dam
Oklahoma
35.31444
-94.55944
Wallace Lock (historical)
Dam
Ohio
Walter F George Lock and Dam
Dam
Alabama
31.61806
-85.07333
Walter F George Lock And Dam
Dam
Georgia
31.61833
-85.07139
Warrior Lock and Dam
Dam
Alabama
32.77528
-87.83389
Warrior Lock and Dam Public Use Area
Park
Alabama
32.78583
-87.83333
WBPZ-AM (Lock Haven)
Tower
Pennsylvania
41.13417
-77.46917
WBPZ-FM (Lock Haven)
Tower
Pennsylvania
41.14694
-77.48778
Webbers Falls Lock and Dam
Dam
Oklahoma
35.55417
-95.16778
Webbers Falls Lock and Dam 16
Dam
Oklahoma
35.55333
-95.16833
Webbers Falls Lock and Dam 16
Reservoir
Oklahoma
35.55333
-95.16833
West Guard Lock
Dam
New York
43.12611
-77.65139
Western Lock Mine
Mine
Nevada
40.52889
-117.11556
White River Lock (historical)
Dam
Wisconsin
43.90028
-89.08417
Whitewater Canal Memorial Lock
Dam
Indiana
39.44694
-85.12389
Widows Bar Lock and Dam (historical)
Dam
Alabama
34.88222
-85.75056
William Lock Ditch
Canal
Indiana
40.06889
-85.92806
William O Huske Lock and Dam Number 3
Dam
North Carolina
34.83444
-78.82333
Winfield Lock Dam Number 1
Dam
West Virginia
38.52667
-81.91361
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