Big Muddy Subimpoundment Dam Illinois

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Feature Name:	Big Muddy Subimpoundment Dam
Feature Type:	dam
State:	Illinois
County:	Jefferson
County Population:	40045
County Housing Units:	16990
County Size:	570.96 Square Miles
Latitude:	38.1775
Longitude:	-89.00167
Map Cell Name:	Waltonville
Geographic Keywords:	Muddy, Subimpoundment