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Geography Home Browse by State Browse by Feature Definitions Top 10 |
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Geography Home Browse by State Browse by Feature Definitions Top 10 |
Montana Dam
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Feature Name
|
County
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Latitude
|
Longitude
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| 2350 Redwater Dam | Dawson | 47.73 | -105.28 |
| 6M Dam | Garfield | 47.48833 | -107.27667 |
| 7-B Reservoir Dam | Garfield | 47.47667 | -107.545 |
| 7-Up Dam | Phillips | 47.75167 | -108.47667 |
| 7-UP Sea Dam | Fallon | 46.205 | -104.63 |
| 71 Ranch Dam | Rosebud | 46.81833 | -107.57333 |
| 71 Ranch Number 1 Dam | Garfield | 46.96833 | -107.44833 |
| 71 Ranch Number 2 Dam | Garfield | 46.95 | -107.43 |
| 71 Ranch Number 3 Dam | Garfield | 47.005 | -107.47333 |
| 761 Lang Dam | Fallon | 46.35 | -104.12167 |
| A and A Fey Dam | Toole | 48.975 | -111.41167 |
| A Anderson Dam | Valley | 48.81167 | -106.40333 |
| A C Lincoln Dam | Hill | 48.44333 | -110.74167 |
| A Irion Number 1 Dam | Powder River | 45.675 | -105.42333 |
| A J Barta Number 1 Dam | Custer | 46.07833 | -105.70167 |
| A J Barta Number 2 Dam | Custer | 46.07667 | -105.695 |
| A J Tillman Number 1 Dam | Blaine | 48.73167 | -109.13833 |
| A J Tillman Number 2 Dam | Blaine | 48.74333 | -109.145 |
| A M Prevost Dam | Richland | 47.74833 | -104.55167 |
| A Muri Number 2 Dam | Powder River | 45.615 | -105.64833 |
| A Nichols Dam | Valley | 48.22833 | -105.90167 |
| A Peterson Dam | Richland | 47.89333 | -104.34 |
| A S Welch Number 1 Dam | Rosebud | 46.58833 | -107.49 |
| Abenson Dam | Beaverhead | 45.16167 | -112.485 |
| Aberta Dam | Garfield | 47.415 | -107.41667 |
| Ace of Diamonds Dam | Carter | 45.06167 | -104.985 |
| Ace of Spades Dam | McCone | 47.90667 | -105.68333 |
| Aces Wild Dam | Carter | 45.03 | -104.84167 |
| Ackley Lake Dam | Judith Basin | 46.95833 | -109.93167 |
| Adams Number 2 Dam | Fergus | 47.27833 | -108.68667 |
| Adams Number 3 Dam | Rosebud | 46.54167 | -106.50667 |
| Adams Number 4 Dam | Rosebud | 46.55 | -106.505 |
| Adams Number 5 Dam | Rosebud | 46.49667 | -106.51333 |
| Adidias Dam | Garfield | 47.46667 | -106.795 |
| Agate Flat Dam | Prairie | 47.03 | -105.61833 |
| Agnes Bob and Noel Dam | Chouteau | 47.915 | -110.31667 |
| Agnes Lake Dam | Beaverhead | 45.51667 | -112.835 |
| Airpump Dam | Wheatland | 46.38333 | -110.23 |
| Alay Number 1 Dam | Garfield | 46.86167 | -106.20667 |
| Alay Number 2 Dam | Garfield | 46.85667 | -106.195 |
| Albert Number 2 Dam | Fergus | 47.61167 | -109.29167 |
| Albery Number 1 Dam | Fergus | 47.61333 | -109.28167 |
| Albicaulis Lake Dam | Granite | 46.33167 | -113.05833 |
| Albin Dam | Richland | 47.79667 | -104.32 |
| Albino Dam | Gallatin | 45.08667 | -111.295 |
| Albro Dam | Madison | 45.595 | -111.96667 |
| Aldebaran Dam | Pondera | 48.27 | -111.89833 |
| Alderman Number 1 Dam | Powder River | 45.57667 | -105.655 |
| Alderman Number 2 Dam | Powder River | 45.54833 | -105.70333 |
| Aldrich Dam | Carter | 45.225 | -104.94167 |
| Alexander Dam | Garfield | 47.31833 | -106.835 |
| Alfred Jordan Number 1 Dam | Garfield | 47.085 | -106.12833 |
| Algol Dam | Toole | 48.275 | -111.45667 |
| Alkali Dam | Toole | 48.93333 | -111.42833 |
| Allan Dam | Richland | 47.705 | -104.78833 |
| Allan Number 2 Dam | Custer | 45.89667 | -105.65167 |
| Allen Number 5 Dam | Custer | 45.92 | -105.7 |
| Allen Number 6 Dam | Powder River | 45.77833 | -105.655 |
| Alley Oop Dam | Phillips | 47.94 | -108.21667 |
| Allie Dam | Valley | 48.27167 | -106.56667 |
| Allison Dam | Glacier | 48.67333 | -111.39667 |
| Alpine Lake Dam | Granite | 46.33667 | -113.05333 |
| Aluminum Dam | Wibaux | 47.365 | -104.16667 |
| Anchor Lake North Dam | Beaverhead | 45.435 | -112.99833 |
| Anchor South Dam | Beaverhead | 45.43333 | -112.99833 |
| Anderson Dam | Park | 46.19 | -110.6 |
| Anderson Lyle Dam | Hill | 48.67833 | -110.54167 |
| Anderson Reservoir Dam | Blaine | 48.25667 | -108.95167 |
| Anderson Reservoir Number 1 Dam | Roosevelt | 48.18333 | -105.42333 |
| Andy Capp Dam | Roosevelt | 48.33333 | -104.12333 |
| Angie Dam | McCone | 47.51167 | -105.63 |
| Angur Number 4 Dam | Garfield | 47.12833 | -107.48 |
| Anita Dam | Yellowstone | 45.93167 | -108 |
| Antares Dam | Judith Basin | 47.31167 | -110.53667 |
| Antelope Dam | Garfield | 46.935 | -106.845 |
| Apache Dam | Carter | 45.66667 | -104.6 |
| Apocolipse Dam | Pondera | 48.03667 | -111.94 |
| Apogee Dam | Hill | 48.845 | -109.81667 |
| Aqua Dam | Lake | 47.635 | -114.57333 |
| Arbuckle Dam | Carter | 45.20833 | -104.47333 |
| Arbuckle Number 1 Dam | Carter | 45.23 | -104.3 |
| Arbuckle Number 2 Dam | Carter | 45.19 | -104.25 |
| Archambeault Retention Dam | Valley | 48.01 | -106.69333 |
| Archer Number 2 Dam | Fergus | 47 | -108.66667 |
| Archie Number 1 Dam | Garfield | 47.56667 | -107.07333 |
| Aries Dam | Judith Basin | 46.99 | -109.785 |
| Armells Reservoir Dam | Fergus | 47.39167 | -109.16333 |
| Arrambide Dam | Valley | 48.04167 | -107.01833 |
| Arther Dengel Number 1 Dam | Fergus | 47.11833 | -108.79667 |
| Arthun Dam | Park | 45.92667 | -110.64 |
| Arthur Dam | Richland | 47.98167 | -104.39833 |
| Arthur Number 1 Dam | Dawson | 47.13833 | -104.525 |
| Artic Dam | Chouteau | 47.90833 | -110.21667 |
| Artz Number 1 Dam | Garfield | 46.97667 | -106.43833 |
| Ash Creek Dam | Prairie | 46.98667 | -106.01333 |
| Ash Number 1 Dam | Custer | 45.97 | -105.15667 |
| Ashenhurst Number 1 Dam | Rosebud | 46.02833 | -106.84167 |
| Ashenhurst Number 2 Dam | Rosebud | 45.995 | -106.86667 |
| Ashley Dam | Flathead | 48.18333 | -114.62167 |
| Askin Dam | Fallon | 46.33333 | -104.74333 |
| Aster Dam | Toole | 48.72667 | -111.495 |
| Atkins Number 2 Dam | Big Horn | 45.78833 | -107.765 |
| Atlas Dam | Judith Basin | 47.00333 | -109.995 |
| Aubrey Dam | Blaine | 48.89111 | -108.76306 |
| Auriga Dam | Ravalli | 46.555 | -114.075 |
| Austin Dam | Phillips | 48.73111 | -107.62028 |
| Averill Dam | Flathead | 48.01 | -114.81667 |
| Aybee Dam | Garfield | 46.925 | -106.7 |
| Aye Number 1 Dam | Powder River | 45.59167 | -105.69 |
| Ayers Colony Number 1 Dam | Fergus | 47.035 | -109.01167 |
| Ayers Dam | Meagher | 46.65333 | -111.215 |
| Aytolloha Number 1 Dam | Roosevelt | 48.17833 | -105.36833 |
| Aznoe Number 1 Dam | Chouteau | 48.07 | -111.28833 |
| B and A Hammond Number 1 Dam | Big Horn | 45.945 | -107.31167 |
| B and A Hammond Number 2 Dam | Big Horn | 45.94167 | -107.31167 |
| B and B Fish Pond Dam | Jefferson | 46.075 | -112.41333 |
| B B Naylor Dam | Big Horn | 45.6 | -107.38 |
| B G Olson Number 1 Dam | Rosebud | 46.53833 | -107.08833 |
| B G Olson Number 2 Dam | Rosebud | 46.53833 | -107.07 |
| B Henderson Dam | Richland | 47.85833 | -104.23667 |
| B Murion Number 3 Dam | Garfield | 47.425 | -107.05333 |
| B Murion Number 5 Dam | Garfield | 47.38833 | -106.98 |
| B O'Leary Number 2 Dam | Yellowstone | 45.72833 | -108.44167 |
| B Shaw Number 1 Dam | Petroleum | 46.985 | -107.935 |
| B-6 Number 4 Dam | Custer | 46.81833 | -106.12 |
| B-Downs Number 8 Dam | Big Horn | 45.71833 | -107.84833 |
| B'Rer Rabbit Dam | Blaine | 48.715 | -109.23333 |
| Baba Blacksheep Dam | Chouteau | 47.975 | -109.93333 |
| Babbit Dam | Golden Valley | 46.48167 | -109.17833 |
| Babcock Dam | Deer Lodge | 46.22833 | -112.80167 |
| Baby Blue Dam | Daniels | 48.94667 | -105.28333 |
| Baby Food Dam | Fergus | 47.15167 | -108.79 |
| Baby Willow Dam | Carter | 45.16333 | -104.82833 |
| Back Dam | Valley | 48 | -107.22167 |
| Badger Claws Dam | Blaine | 48.68667 | -109.49833 |
| Badger Dam | Valley | 48.11333 | -107.14667 |
| Bahls Dam | Richland | 47.755 | -105.07333 |
| Bailer Reservoir Dam | Dawson | 46.915 | -104.73833 |
| Bailey-Dees-Frey Dam | Hill | 48.475 | -110.11333 |
| Bair Dam | Meagher | 46.58 | -110.55667 |
| Baird Reservoir Number 1 Dam | Blaine | 48.80667 | -108.98 |
| Balder Reservoir Dam | McCone | 48.04667 | -105.56333 |
| Ballard Number 1 Dam | Rosebud | 46.455 | -107.135 |
| Balsam Number 1 Dam | Custer | 46.08667 | -105.35 |
| Balsam Number 3 Dam | Custer | 46.18333 | -105.07167 |
| Balsam Number 4 Dam | Custer | 46.18667 | -105.215 |
| Balsam Number 6 Dam | Custer | 46.205 | -105.235 |
| Ban Dam | Prairie | 47.02833 | -105.57 |
| Banana Peel Dam | Park | 45.17 | -110.83 |
| Band Aid Dam | Roosevelt | 48.27333 | -104.10667 |
| Bandy Reservoir Dam | Powell | 47.085 | -113.23667 |
| Bank Dam | Garfield | 47.19667 | -106.35333 |
| Bar 69 Number 4 Dam | Rosebud | 46.6 | -107.57833 |
| Bar 69 Number 5 Dam | Rosebud | 46.505 | -107.72167 |
| Bar 69 Number 6 Dam | Rosebud | 46.535 | -107.62167 |
| Bar G9 Number 2 Dam | Rosebud | 46.63167 | -107.58833 |
| Bar Island Dam | Phillips | 47.735 | -108.575 |
| Bar V Number 1 Dam | Big Horn | 45.00333 | -107.10833 |
| Bar Z F Ranch Incorporated Number 1 Dam | Toole | 48.44167 | -111.54167 |
| Baracker Dam | Roosevelt | 48.225 | -105.30333 |
| Barclay Dam | Garfield | 47.58167 | -106.52 |
| Barley Reservoir Dam | Rosebud | 46.38833 | -106.38 |
| Barnard Dam | Phillips | 47.78667 | -107.80667 |
| Barney Rubbel Dam | Roosevelt | 48.24167 | -105.23 |
| Barretts Dam | Beaverhead | 45.13 | -112.73972 |
| Basin Creek Dam Number 1 | Silver Bow | 45.855 | -112.54333 |
| Basin Creek Dam Number 2 | Silver Bow | 45.84333 | -112.52333 |
| Basin View Dam | Dawson | 46.90972 | -104.70139 |
| Bass Dam | Rosebud | 46.755 | -107.12167 |
| Bass Lake Dam | Ravalli | 46.59333 | -114.28167 |
| Bassett Dam | Treasure | 46.47667 | -107.25167 |
| Bat Reservoir Dam | Valley | 47.99167 | -107.07333 |
| Bateman Number 1 Dam | Garfield | 47.395 | -106.645 |
| Batters Box Dam | Liberty | 48.10333 | -110.98167 |
| Battle Horse Reservoir Dam | Blaine | 48.83333 | -109.07 |
| Bayer Number 1 Dam | Granite | 46.30333 | -113.29 |
| Bean Lake Dam | Lewis and Clark | 47.30833 | -112.43333 |
| Beardsley Number 1 Dam | Custer | 46.535 | -105.14333 |
| Beardsley Number 6 Dam | Custer | 46.525 | -105.11333 |
| Beardsley Number 7 Dam | Custer | 46.53 | -105.15333 |
| Bearpaw Lake Dam | Hill | 48.32833 | -109.65833 |
| Beauchamp Number 3 Dam | Phillips | 47.91333 | -107.92 |
| Beaver Creek Reservoir Dam | Hill | 48.41333 | -109.73 |
| Beaver Dam | Blaine | 48.61167 | -108.73667 |
| Beaver Pond Dam | Powell | 46.70667 | -112.585 |
| Beaver Tooth Dam | Valley | 48.03167 | -106.77833 |
| Beaverette Dam | Valley | 48.08833 | -106.995 |
| Beck Dam | Roosevelt | 48.37667 | -105.22833 |
| Becker Dam | Prairie | 47.06472 | -105.55694 |
| Beecher Number 1 Dam | Garfield | 46.91667 | -106.74167 |
| Beecher Number 3 Dam | Garfield | 46.91667 | -106.73 |
| Beecher Number 4 Dam | Garfield | 46.86167 | -106.71667 |
| Beecher Number 5 Dam | Garfield | 47.00667 | -106.775 |
| Bees Hive Dam | Chouteau | 47.84667 | -110.94833 |
| Beil Dam | Valley | 48.90667 | -107.02167 |
| Beirwagen Dam | Chouteau | 48.10667 | -110.395 |
| Beley Pond Dam | Sweet Grass | 45.86667 | -109.99167 |
| Bell Lake Dam | Madison | 45.53667 | -112.00167 |
| Below Zero Dam | Roosevelt | 48.52 | -105.50167 |
| Belushi Dam | Roosevelt | 48.10333 | -104.21 |
| Benes Bank Dam | Fergus | 47.575 | -109.245 |
| Berg Dam | Wheatland | 46.31333 | -109.58 |
| Bergstroms Farms Dam | Pondera | 48.13333 | -111.65 |
| Bergstroms Farms Number 2 Dam | Pondera | 48.13333 | -111.65 |
| Berkholder Dam | Toole | 48.715 | -111.29 |
| Berland Skorupa Berland Dam | Pondera | 48.12333 | -111.68333 |
| Berrys Land Dam | McCone | 47.72833 | -105.38833 |
| Berrys Land Number 2 Dam | McCone | 47.71167 | -105.37167 |
| Berrys Land Number 3 Dam | McCone | 47.73167 | -105.37333 |
| Berrys Land Number 4 Dam | Dawson | 47.73167 | -105.405 |
| Berthelote Dam | Toole | 48.89667 | -111.55 |
| Bertino Dam | Roosevelt | 48.21167 | -104.75167 |
| Bertoline Number 1 Dam | Carbon | 45.395 | -109.18167 |
| Best Rocky Twist Dam | Blaine | 48.79667 | -109.41167 |
| Betelguese Dam | Liberty | 48.94167 | -111.15333 |
| Bethel College Number 3 Dam | Rosebud | 46.67833 | -107.37833 |
| Bethel Number 1 Dam | Petroleum | 46.855 | -108.10667 |
| Bethel Number 11 Dam | Petroleum | 46.91667 | -108.08333 |
| Bethel Number 4 Dam | Petroleum | 46.89667 | -108.04 |
| Bethel Number 7 Dam | Petroleum | 46.84167 | -108.10167 |
| Bidegary Dam | Richland | 47.95667 | -104.70167 |
| Big Bear Dam | Blaine | 48.285 | -109.2 |
| Big Bucks Number 10 Dam | Garfield | 47.355 | -106.70667 |
| Big Bucks Number 11 Dam | Garfield | 47.50167 | -106.68833 |
| Big Bucks Number 13 Dam | Garfield | 47.51167 | -106.63333 |
| Big Bucks Number 14 Dam | Garfield | 47.43667 | -106.81 |
| Big Bucks Number 15 Dam | Garfield | 47.41167 | -106.82333 |
| Big Bucks Number 16 Dam | Garfield | 47.53667 | -106.775 |
| Big Bucks Number 5 Dam | Garfield | 47.43333 | -106.63 |
| Big Bucks Number 7 Dam | Garfield | 47.43667 | -106.535 |
| Big Bucks Number 8 Dam | Garfield | 47.46 | -106.55667 |
| Big Bucks Number 9 Dam | Garfield | 47.46833 | -106.54 |
| Big Casino Creek Dam | Fergus | 47.03833 | -109.425 |
| Big Creek Lake Dam | Ravalli | 46.495 | -114.35333 |
| Big Creek Number 2 Dam | Ravalli | 46.495 | -114.35333 |
| Big Dam | Phillips | 48.07833 | -107.93 |
| Big Dumb Bunny Dam | Cascade | 47.36667 | -111.04667 |
| Big Elk Dam | Wheatland | 46.32 | -110.14167 |
| Big Fork Dam | Flathead | 48.06167 | -114.05167 |
| Big Gravel Dam Number 1 | Hill | 48.43 | -109.895 |
| Big Hole Dam | Silver Bow | 45.76139 | -112.8025 |
| Big John M Dam | Fergus | 47.285 | -109.22 |
| Big Jugs Dam | Hill | 48.425 | -109.95833 |
| Big Lake Dam | Toole | 48.935 | -111.465 |
| Big Lake Number 3 Dam | Missoula | 47.03833 | -113.92833 |
| Big Mac Number 1 Dam | Garfield | 47.29167 | -107.05 |
| Big Racetrack Lake Dam | Granite | 46.30167 | -113.13167 |
| Big Railroad Reservoir Dam | Garfield | 47.145 | -107.07833 |
| Big Reservoir Dam | Carbon | 45.055 | -109.00167 |
| Big Sage Hen Dam | Hill | 48.725 | -110.40333 |
| Big Sage Reservoir Dam | Phillips | 47.765 | -108.44833 |
| Big Sky Dam | Madison | 45.28667 | -111.39167 |
| Big Timber Livestock Number 1 Dam | Treasure | 46.475 | -107.44667 |
| Big Timber Number 1 Dam | Rosebud | 46.36167 | -106.75667 |
| Big Timber Number 10 Dam | Rosebud | 46.665 | -107.32667 |
| Big Timber Number 13 Dam | Rosebud | 46.655 | -107.37333 |
| Big Timber Number 14 Dam | Rosebud | 46.65 | -107.31167 |
| Big Timber Number 15 Dam | Rosebud | 46.65 | -107.275 |
| Big Timber Number 16 Dam | Rosebud | 46.64 | -107.29833 |
| Big Timber Number 17 Dam | Rosebud | 46.63667 | -107.27 |
| Big Timber Number 20 Dam | Rosebud | 46.62 | -107.27333 |
| Big Timber Number 21 Dam | Rosebud | 46.58833 | -107.33833 |
| Big Timber Number 24 Dam | Rosebud | 46.55667 | -107.385 |
| Big Timber Number 27 Dam | Rosebud | 46.52833 | -107.39667 |
| Big Timber Number 29 Dam | Rosebud | 46.53 | -107.45167 |
| Big Timber Number 3 Dam | Rosebud | 46.345 | -106.76333 |
| Big Timber Number 37 Dam | Rosebud | 46.55333 | -107.325 |
| Big Timber Number 4 Dam | Rosebud | 46.56 | -106.505 |
| Big Timber Number 41 Dam | Rosebud | 46.47333 | -107.13167 |
| Big Timber Number 44 Dam | Rosebud | 46.445 | -107.08333 |
| Big Timber Number 47 Dam | Rosebud | 46.41833 | -107.04333 |
| Big Timber Number 49 Dam | Rosebud | 46.405 | -107.035 |
| Big Timber Number 5 Dam | Rosebud | 46.75667 | -107.025 |
| Big Timber Number 50 Dam | Rosebud | 46.74833 | -106.98167 |
| Big Timber Number 53 Dam | Rosebud | 46.70667 | -107.97 |
| Big Timber Number 7 Dam | Rosebud | 46.665 | -107.41833 |
| Big Timber Number 8 Dam | Rosebud | 46.67333 | -107.32833 |
| Big Timber Sewage Lagoon Dam | Sweet Grass | 45.81167 | -109.94667 |
| Biggerstuf Dam | Powder River | 45.08667 | -106.1 |
| Bill Fox Irrigation Dam | Wheatland | 46.385 | -110.07333 |
| Billing Spring Number 1 Dam | Garfield | 47.41833 | -106.40333 |
| Billings Number 1 Dam | Garfield | 47.43333 | -106.42833 |
| Billings Number 2 Dam | Garfield | 47.435 | -106.38667 |
| Billings Number 3 Dam | Garfield | 47.42833 | -106.34333 |
| Billito Lark Dam | Madison | 45.46333 | -111.845 |
| Binion Number 3 Dam | Garfield | 47.36167 | -106.77667 |
| Binion Number 4 Dam | Garfield | 47.55833 | -106.73667 |
| Binions Number 1 Dam | Garfield | 47.47833 | -106.75167 |
| Binions Reservoir Number 2 Dam | Garfield | 47.46 | -106.53333 |
| Birkeland Reservoir Dam | Chouteau | 47.69167 | -110.78333 |
| Birkrem Dam | Garfield | 46.9 | -107.01667 |
| Bison Bone Reservoir Dam | Phillips | 47.8 | -108.28167 |
| Bison Retriever Dam | Jefferson | 46.07167 | -112.41333 |
| Bixler Number 2 Dam | Custer | 46.415 | -105.33833 |
| Bixler Number 5 Dam | Custer | 46.38833 | -105.36167 |
| Bjarne Number 1 Dam | Daniels | 48.95667 | -106.04667 |
| Bjarne Number 2 Dam | Daniels | 48.955 | -106.07333 |
| Black Cat Dam | Hill | 48.36667 | -110.62167 |
| Black Cheese Dam | Hill | 48.4 | -110.655 |
| Black Coulee Dam | Blaine | 48.69333 | -108.395 |
| Black Coulee Reservoir Dam | Rosebud | 46.40333 | -106.67167 |
| Black Eagle Dam | Cascade | 47.51972 | -111.26222 |
| Black Lake Dam | Lincoln | 48.77667 | -114.87667 |
| Black Wolfe Number 2 Dam | Carter | 45.69667 | -104.41833 |
| Black Wolff Number 3 Dam | Carter | 45.66667 | -104.395 |
| Blackfoot Dam | Carter | 45.685 | -104.53833 |
| Blackford Number 3 Dam | Carter | 45.43333 | -104.61667 |
| Blackford Number 5 Dam | Carter | 45.40333 | -104.505 |
| Blair Number 1 Dam | Liberty | 48.71 | -110.215 |
| Blair Number 2 Dam | Liberty | 48.69667 | -111.21 |
| Blanchard Detention Reservoir Dam | Valley | 48.045 | -106.725 |
| Blanchard Pond Dam | Beaverhead | 45.275 | -113.44333 |
| Blatter Dam | Valley | 48.995 | -106.67 |
| Blevins Dam | Blaine | 48.53833 | -109.05 |
| Blixit Creek Dam | Missoula | 46.85333 | -113.63833 |
| Blodgett Lake Dam | Ravalli | 46.25167 | -114.455 |
| Blomquist Reservoir Dam | Beaverhead | 45.345 | -112.65 |
| Blooming Creek Dam | Cascade | 47.455 | -112.03833 |
| Blue Baron Dam | Chouteau | 47.92333 | -110.265 |
| Blue Cheese Dam | Valley | 48.37333 | -106.82667 |
| Blue Drew Number 1 Dam | Garfield | 46.98667 | -107.19667 |
| Blue Shoes Dam | Garfield | 47.02 | -107.45333 |
| Blunt Ranch Number 3 Dam | Phillips | 47.76333 | -107.985 |
| Blunt RanchES Number 2 Dam | Phillips | 47.86 | -107.91333 |
| Blunt Ranches Number 4 Dam | Phillips | 47.9 | -107.83833 |
| Blyton Dam | Wibaux | 47.125 | -104.27167 |
| Bn Number 100 Dam | Prairie | 46.84167 | -105.60333 |
| BN Number 11 Dam | Garfield | 46.90833 | -107.71333 |
| BN Number 3 Dam | Rosebud | 46.64167 | -107.52 |
| BN Number 9 Dam | Treasure | 46.405 | -107.23167 |
| Bob Number 1 Dam | Garfield | 47.95833 | -106.65667 |
| Bob Number 2 Dam | Garfield | 46.94 | -106.66833 |
| Bob Number 3 Dam | Garfield | 46.995 | -106.74 |
| Bob Number 4 Dam | Garfield | 46.98333 | -106.555 |
| Bob Number 6 Dam | Garfield | 46.91167 | -106.60167 |
| Bob Number 8 Dam | Garfield | 46.97333 | -106.61167 |
| Bobcat Reservoir Dam | McCone | 47.685 | -106.02667 |
| Bobs Mud Lake Dam | Hill | 48.84 | -109.70167 |
| Bobsland Dam | Valley | 48.44333 | -106.41833 |
| Bogar Dam | McCone | 47.84 | -105.46 |
| Bohn Lake Dam | Powell | 46.31333 | -112.96 |
| Bohn Number 3 Dam | Petroleum | 47.01333 | -108.25833 |
| Boies Dam | Rosebud | 46.74833 | -106.23333 |
| Bokma Dam | Stillwater | 45.785 | -109.25333 |
| Bomber Dam | Valley | 47.915 | -106.80667 |
| Bomber Detention Diversion Dam | Valley | 47.91528 | -106.80806 |
| Bonanza Dam | Meagher | 46.45833 | -110.57667 |
| Bond Dam | Valley | 48.01167 | -107.13833 |
| Bond Lake Dam | Beaverhead | 45.445 | -112.87333 |
| Bonneau Dam | Chouteau | 48.29667 | -109.85 |
| Boot Lake Dam | Beaverhead | 45.43333 | -112.97167 |
| Booth Dam | Chouteau | 47.67167 | -110.66667 |
| Boothe Dam | Phillips | 48.62167 | -108.17833 |
| Borer Number 2 Dam | Rosebud | 46.32833 | -106.80167 |
| Born Free Dam | Richland | 47.47833 | -104.175 |
| Bourne and Hamilton Number 2 Dam | Liberty | 48.46 | -111.19333 |
| Bourpe and Hamilton Number 1 Dam | Liberty | 48.71667 | -111.175 |
| Bowers Number 1 Dam | Powder River | 45.04667 | -105.47333 |
| Bowman Lake Number 1 Dam | Powell | 46.31333 | -113.02333 |
| Bowman Lake Number 2 Dam | Powell | 46.31667 | -113.02667 |