Creator
- GIS Lab, Newman Library, Baruch CUNY3
- U.S. Geological Survey2
- (creation): U.S. Geological Survey1
- (selection/conversion): Bernardin, Lochmueller and Associates1
- Bauer, Marvin E.1
- Cornell Institute for Resource Information Sciences (Cornell IRIS)1
- FrobozzCo International1
- Illinois State Geological Survey1
- Indiana Geological Survey1
- Jane Doe1
- Knight, Joe F.1
- Maryland iMap1
- Metropolitan Council1
- NYS Department of Agriculture and Markets1
- New York State Department of Energy Conservation Bureau of Air Quality Surveillance1
- Rampi, Lian P.1
- Stanford Geospatial Center1
- U.S. Geological Survey (USGS) and Minnesota Department of Natural Resources (DNR)1
- U.S. Geological Survey and Minnesota DNR1
- US Census Bureau, Geography Division1