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You searched for: Subject Inland Waters Remove constraint Subject: Inland Waters Subject Biota Remove constraint Subject: Biota Time Period 2005-2009 Remove constraint Time Period: 2005-2009
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1.
Raster

Aquatic Resources Group: Pennsylvania penn-state

2006. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...

2.
Vector

Zebra Mussel Distribution: United States penn-state

2008. United States Geological Survey (USGS). The concern caused by the explosive spread of the zebra mussel, (Dreissena polymorpha), within the United States resulted in passage of the Nonindi...