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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 Environment Remove constraint Subject: Environment Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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National Fish Hatcheries in Pennsylvania penn-state

1996. Environmental Resources Research Institute. Boundaries of fish hatcheries on 1:24,000 USGS topographic maps, locations verified from the National Park Service list.

2.
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Oil And Gas Fields: Pennsylvania penn-state

1996. Environmental Resources Research Institute. Point locations of oil and gas fields from Pennsylvania Department of Environmental Resources, Bureau of Topographic and Geologic Survey /8PAGS/9 W...

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Oil And Gas Wells: Pennsylvania penn-state

1996. Environmental Resources Research Institute. Point locations of oil and gas wells from Pennsylvania Department of Environmental Resources, Bureau of Topographic and Geologic Survey /8PAGS/9 We...