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You searched for: Author Patuxent Wildlife Research Center Remove constraint Author: Patuxent Wildlife Research Center Subject Environment Remove constraint Subject: Environment Place South Dakota Remove constraint Place: South Dakota Place Arkansas Remove constraint Place: Arkansas
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1. Breeding Bird Survey Route Locations for Lower 48 States, 1966-1998

1966. Patuxent Wildlife Research Center. This line shapefile portrays the current routes used for conducting Breeding Bird Surveys in the lower 48 States. This layer is part of the 1997-20... National Atlas of the United States.