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Hydrobiolog
Indiana Dunes National Lakeshore is a unit of the National Park System designated as a U.S. National Lakeshore located in northwest Indiana
Indiana Dunes National Lakeshore is a unit of the National Park System designated as a U.S. National Lakeshore located in northwest Indiana
Hydrobiolog
Indiana Dunes National Lakeshore is a unit of the National Park System designated as a U.S. National Lakeshore located in northwest Indiana
Indiana Dunes National Lakeshore is a unit of the National Park System designated as a U.S. National Lakeshore located in northwest Indiana
Hydrobiolog
Reflection of the sun in water. Indiana Dunes National Lakeshore, USA
Reflection of the sun in water. Indiana Dunes National Lakeshore, USA
Hydrobiolog
The tourist rises uphill to a large sand dune. Indiana Dunes National Lakeshore.
The tourist rises uphill to a large sand dune. Indiana Dunes National Lakeshore.
Hydrobiolog
Plant with smoking pipes on the shore of the lake, pollution of the environment, ecology. Indiana Dunes National Lakeshore
Plant with smoking pipes on the shore of the lake, pollution of the environment, ecology. Indiana Dunes National Lakeshore
Hydrobiolog
The sandy shore of the lake, dry trees on the sand, the ecology of fresh water. Indiana Dunes National Lakeshore
The sandy shore of the lake, dry trees on the sand, the ecology of fresh water. Indiana Dunes National Lakeshore
Hydrobiolog
Native plants of the Dunes.
Native plants of the Dunes.
Hydrobiolog
Native plants of the Dunes.
Native plants of the Dunes.
Hydrobiolog
Native plants of the Dunes.
Native plants of the Dunes.
Hydrobiolog
A large factory with smoking chimneys by the lake.
A large factory with smoking chimneys by the lake.