Crossword Clue:

the bottom of a lake river etc

AnswerCrossword Clue
SANKDropped to the bottom of the lake
GARYCity at the bottom of Lake Michigan
DREDGESSearches the river bottom
OSAGELake of the Ozarks river
OSAGELake of the Ozarks' river
AARRiver across the Lake of Brienz
RHONERiver through the Lake of Geneva
ERIELake ..., source of the Niagara River
ERIELake ..., outlet of the Maumee River
OSAGERiver through Lake of the Ozarks
OSAGERiver through the Lake of the Ozarks
AARERiver that forms the Lake of Thun
AARERiver that drains the Lake of Thun
OSAGERiver that forms Lake of the Ozarks
TAHOELake that the Truckee River flows out of
ERIELake that's the source of the Niagara River
ERIELake at one end of the Niagara River