Search Constraints
You searched for:
Subject
Environment
Remove constraint Subject: Environment
Place
South Dakota
Remove constraint Place: South Dakota
Place
Missouri
Remove constraint Place: Missouri
Data type
Line
Remove constraint Data type: Line
1 entry found
Search Results
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.