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You searched for: Publisher State of Pennsylvania Remove constraint Publisher: State of Pennsylvania Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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2. 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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3. 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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4. 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...
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5. Digital Elevation Model - 10-Meter: Pennsylvania

1996. United States Geological Survey (USGS). Digital Elevation Model (DEM) is the terminology adopted by the USGS to describe terrain elevation data sets in a digital raster form. The standard...
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6. Digital Elevation Model - 30-Meter: Pennsylvania

1996. United States Geological Survey (USGS). Digital Elevation Model (DEM) is the terminology adopted by the USGS to describe terrain elevation data sets in a digital raster form. The standard...
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7. Digital Orthophoto (DOQQ - quarter-quadrangle) for Delaware 1992

1992. United States Geologic Survey (USGS) and Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...
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8. Digital Orthophoto (DOQQ - quarter-quadrangle) for Delaware 1997

1997. United States Geologic Survey (USGS) and Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...
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10. Digital Orthophoto Quarter Quadrangle images for Pennsylvania

1999. United States Geologic Survey (USGS) and Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...
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11. Digital Orthophoto Quarter Quadrangle images for Pennsylvania

1993. United States Geologic Survey (USGS) and Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...
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12. Fish Species Occurrence Database: Pennsylvania

1998. Pennsylvania Fish and Boat Commission. Historical listing (1975-1995) of Pennsylvania fish species occurrences, as documented at 10,780 sampling points on streams and rivers throughout t...
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14. Hydric Soils: Chester County, Pennsylvania

1997. U S Department of Agriculture. This data set includes all soil map units that are defined as Hydric in the SSURGO data base. The SSURGO data set is a digital soil survey and is t...
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15. Late Wisconsinan Glacial Border 1:100,000

1995. Pennsylvania Department of Conservation and Natural Resources. Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map at 1:100,000 sc...
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16. Late Wisconsinan Glacial Border 1:500,000

1995. Pennsylvania Department of Conservation and Natural Resources. Late in 1994, the Pennsylvania Bureau of Topographic and Geologic Survey was asked to develop a digital physiographic provinces map at 1:100,000 sc...