Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Institution Penn State Remove constraint Institution: Penn State Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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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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Active Railroads: Pennsylvania

1996. Environmental Resources Research Institute. Location of active rail lines in Pennsylvania, digitized from 1:24,000 USGS topographic maps on a stable Mylar base.

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Aerial Photography 1996: Philadephia, Pennsylvania

1996. Philadelphia aerial photography.

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Aerial Photography: Mifflin County, Pennsylvania

1995. Mifflin County - Laura H. McLaughlin. Mifflin County aerial photography.

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Agricultural security areas: Pennsylvania

1996. Penn State ORSER/ERRI. Agricultural security areas from LLRWS data.

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Airports: Centre County, Pennsylvania

1995. Point Feature Class - It was originally captured as part of the 1995 Aerial Imagery project completed by Kimball.

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Ambient and fixed station network groundwater monitoring point data (1985 - 1998): Pennsylvania

1999. Pennsylvania Department of Environmental Protection. This coverage represents the point locations and data for 1,106 groundwater quality monitoring points sampled under the PA DEP Fixed Station Networ...

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Athletic fields: Centre County, Pennsylvania

1995. Polygon Feature Class of Athletic Fields within Centre County. This layer was created as part of the 1995 Aerial Imagery project completed by Kimball.

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Boundaries Of Exceptional Value Watersheds: Pennsylvania

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

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Boundary of Conneaut Lake: Pennsylvania

1993. Loree Speedy, Western Pennsylvania Conservancy. Boundary of Conneaut Lake, Crawford County, Pennsylvania. This polyline does not include the many docks that extend into the lake.

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Breeding Bird Atlas: Pennsylvania

1994. Daniel W. Brauning and F. B. Gill and Pennsylvania Game Commission. Part of the Pennsylvania Gap Analysis Project the Breeding Bird Atlas database indicates bird species and nesting behavior of known birds species i...

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Bridges: Centre County, Pennsylvania

1995. Point Feature Class - It was originally captured as part of the 1995 Aerial Imagery project completed by Kimball. This layer has since been enhance...

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Caves: Centre County, Pennsylvania

1995. Point Feature Class - It was originally captured as part of the 1995 Aerial Imagery project completed by Kimball.

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Centre County Natural Heritage Inventory (scanned TIFFs): Centre County, Pennsylvania

1991. Centre County Natural Heritage Inventory. The Centre County Natural Heritage Inventory is designed to identify and map important biotic (living) and ecological resources present in Centre C...

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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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Chesapeake Bay Watershed Land Cover Data Series 1984

1984. United States Geological Survey (USGS). To better understand how the land is changing and to relate those changes to water quality trends, the USGS funded the production of a Chesapeake B...

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Chesapeake Bay Watershed Land Cover Data Series 1992

1992. United States Geological Survey (USGS). To better understand how the land is changing and to relate those changes to water quality trends, the USGS funded the production of a Chesapeake B...