You searched for: Author Patuxent Wildlife Research Center Remove constraint Author: Patuxent Wildlife Research Center Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Connecticut Remove constraint Place: Connecticut Place Colorado Remove constraint Place: Colorado Format Shapefile Remove constraint Format: Shapefile
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.