You searched for: Subject Environment Remove constraint Subject: Environment Place Nebraska Remove constraint Place: Nebraska Place Iowa Remove constraint Place: Iowa Place Kansas Remove constraint Place: Kansas Data type Line Remove constraint Data type: Line 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.