Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Subject Inland Waters Remove constraint Subject: Inland Waters Collection Academic Institutions Geospatial Data Remove constraint Collection: Academic Institutions Geospatial Data
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104 State Water Plan Watersheds: Pennsylvania

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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Boundaries Of Exceptional Value Watersheds: Pennsylvania

1996. Environmental Resources Research Institute. Watersheds of exceptional quality streams.

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Chesapeake Bay basin major watersheds

1996. Penn State ORSER/ERRI. Major watershed boundaries for the Chesapeake Bay basin.

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Chesapeake Bay region state boundaries

1996. Penn State ORSER/ERRI. Boundaries for the states in the Chesapeake Bay region.

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Coastal Floodplains: Pennsylvania

1996. Penn State ORSER/ERRI. Coastal floodplains from LLRWS data.

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Floodplains of Pennsylvania

1996. Office of Remote Sensing for Earth Resources, Penn State University. In an effort to expedite the permit review process for Water Obstruction and Encroachment Applications, the Pennsylvania Department of Environmenta...


Historical Aerial Photography: Illinois, 1937-1947

1936-1941. Illinois State Geological Survey. The primary data set consists of historical black and white aerial photographs from Illinois acquired during 1936 to 1941. Alternative years of pho...


Historical Stream Flow Metrics for Lake Superior North Shore Tributaries: Minnesota

2017. Wlliam Herb, Research Associate, University of Minnesota and Natural Resources Research Institute. A total of 18 stream flow metrics were calculated for the tributary streams draining to Lake Superior, along the Minnesota North Shore. Flow metric...

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Landscape Ecology and Green Infrastructure: Allegheny County, Pennsylvania

2006. The 3 Rivers 2nd Nature project was directed by artists/researchers Tim Collins and Reiko Goto. The project addressed the meaning, form, and functi...

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Major River Basins: Pennsylvania

1998. Environmental Resources Research Institute. This polygon layer delineates the boundaries of 8 major watersheds in Pennsylvania that have shown through past vertebrate inventory collection rec...