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You searched for: Place United States of America Remove constraint Place: United States of America Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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2.
Datasets datasets

National Land Cover Dataset 1992 - Pennsylvania; Albers Grid Datasets datasets pennsylvania-state-university

1999. United States Geological Survey (USGS). These data can be used in a geographic information system (GIS) for any number of purposes such as assessing wildlife habitat, water quality, pesti... State of Pennsylvania.

3.
Datasets datasets

North American Breeding Bird Survey Routes Datasets datasets pennsylvania-state-university

1966. Canadian Wildlife Service U.S. Fish and Wildlife Service U.S. Department of the Interior; now at USGS Patuxent Wildlife Research Center. The North American Breeding Bird Survey (BBS), which is coordinated by the Biological Resources Division and Canadian Wildlife Service, is a primar... State of Pennsylvania.