Region
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Indiana Dunes National Park
2
Indiana Dunes National Park (Ind.)
1
Iowa
1
Italy
2
Kabetogama Lake (Minn. and Ont.)
1
Kentucky
1
Klamath River
1
Klamath River (Or. and Calif.)
2
Klamath River Watershed (Or. and Calif.)
1
Koocanusa, Lake (B.C. and Mont.)
1
Lake Cochituate
1
Lake County
1
Lake Erie
1
Lake Linganore
1
Lake Linganore (Md.)
1
Lake of the Woods
2
Lakeland
1
Lea County
1
Louisiana
5
Louisville
1
Louisville Region
1
Luzerne County
1
Maine
1
Marble Canyon (Coconino County : Canyon)
1
Maryland
5
Massachusetts
2
McFaddin Beach
1
Memphis Aquifer
2
Michigan
1
Middle West
1
Middleton
1
Millington
1
Millington (Tenn.)
1
Millington Region
3
Minneapolis Metropolitan Area
1
Minnesota
4
Mississippi
5
Mississippi Embayment
1
Mississippi River
7
Mississippi River Valley
6
Mississippi River Watershed
1
Missouri
5
Missouri River
2
Mojave National Preserve
1
Mojave National Preserve (Calif.)
1
Monona County
1
Montana
1
Morse Reservoir
1
Morse Reservoir (Ind.)
1
Moshassuck River Watershed
1
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