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You searched for: Publisher State of Pennsylvania Remove constraint Publisher: State of Pennsylvania Subject Environment Remove constraint Subject: Environment Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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Breeding Bird Atlas: Pennsylvania penn-state

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...


Toxic chemical Release Inventory data for Pennsylvania penn-state

1994. U S Environmental Protection Agency. This data layer includes point locations for Toxic Chemical Release Inventory (TRI) data from the Environmental Protection Agency's Toxic Release I...