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You searched for: Genre Geospatial data Remove constraint Genre: Geospatial data Creator Environmental Resources Research Institute Remove constraint Creator: Environmental Resources Research Institute Subject Boundaries Remove constraint Subject: Boundaries Contributor Penn State Remove constraint Contributor: Penn State Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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104 State Water Plan Watersheds: Pennsylvania penn-state

1998. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...

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Landmarks in Pennsylvania penn-state

1996. Environmental Resources Research Institute. National Park Service information used to establish landmark boundaries on 1:24,000 USGS topographic maps.

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National forests in Pennsylvania penn-state

1996. Environmental Resources Research Institute. Boundary information from the office of the Allegheny National Forest, taken from 1:24,000 USGS topographic maps.

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National parks in Pennsylvania penn-state

1996. Environmental Resources Research Institute. National Park Service list and boundaries from 1:24,000 USGS topographic maps.

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National Wildlife Preserves in Pennsylvania penn-state

1996. Environmental Resources Research Institute. Boundaries of National Wildlife Preserves in Pennsylvania. Boundaries were provided by the United States Department of the Interior, National Fish ...

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Small Watersheds: Pennsylvania penn-state

1997. Environmental Resources Research Institute. Boundaries of 9,895 watersheds in Pennsylvania indicated in the Pennsylvania gazetteer of streams. These boundaries enclose catchment areas for nam...