Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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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. Aerial Orthophotograph taken on April 5, 1995.

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Agricultural security areas: Pennsylvania

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

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

1999. PA 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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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. 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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C-04 Geologic atlas of Hennepin County, Minnesota

C-04 Geologic atlas of Hennepin County, Minnesota

1989. Balaban, N.H. 9 pls. Scale 1:100,000 and smaller. Pl. 1, data-base; pl. 2, bedrock geology, pl. 3, surficial geology; pl. 4, bedrock topography and depth to bedr...

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C-06 Geologic atlas of Dakota County, Minnesota

C-06 Geologic atlas of Dakota County, Minnesota

1990. Balaban, N.H. 9 pls. Scale 1:100,000 and smaller. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, depth to bedrock and bedrock topogra...

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C-07 Geologic atlas of Ramsey County, Minnesota

C-07 Geologic atlas of Ramsey County, Minnesota

1992. Meyer, G.N. 10 pls. Scale 1:48,000 and smaller. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, bedrock topography and Quaternary st...

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C-08 Geologic atlas of Fillmore County, Minnesota [Parts A and C]

C-08 Geologic atlas of Fillmore County, Minnesota [Parts A and C]

1995. Mossler, J.H. 5 pls. Scale 1:100,000. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, depth to bedrock and bedrock topography; pl. 5, ...

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C-09 Geologic atlas of Rice County, Minnesota [Part A]

C-09 Geologic atlas of Rice County, Minnesota [Part A]

1995. Hobbs, H.C. 6 pls. Scale 1:100,000. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, Quaternary stratigraphy; pl. 5, depth to bedrock...

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C-10 Geologic Atlas of Stearns County, Minnesota [Parts A and C]

C-10 Geologic Atlas of Stearns County, Minnesota [Parts A and C]

1995. Meyer, G.N. 7 pls. Scales 1:100,000 and 1:200,000. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, Quaternary stratigraphy; pl. 5, d...

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C-11 Geologic atlas of Mower County, Minnesota [Part A]

C-11 Geologic atlas of Mower County, Minnesota [Part A]

1998. Mossler, J.H. 6 pls. Scale 1:100,000. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, depth to the pre-Cretaceous bedrock surface and ...

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C-12 Geologic atlas of Goodhue County, Minnesota [Part A]

C-12 Geologic atlas of Goodhue County, Minnesota [Part A]

1998. Setterholm, D.R. 6 pls. Scale 1:100,000. Pl. 1, data-base; pl. 2, bedrock geology; pl. 3, surficial geology and thickness of Quaternary sediments; pl. 4, Quaternary...

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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.