Creator
- Maryland iMap1
- Mercator, Gerhard, 1512-15941
- Metropolitan Council1
- NYS Department of Agriculture and Markets1
- New York State Department of Energy Conservation Bureau of Air Quality Surveillance1
- Pownall, Thomas1
- Queens College (New York, N.Y.). Department of Sociology1
- Rampi, Lian P.1
- Rogers, Henry Darwin1
- Royal Australian Survey Corps2
- Sanborn Map Company1
- Sällskapet för Finlands geografi, Helsingfors1
- Seafloor Mapping Lab1
- Stanford Geospatial Center1
- Toitū Te Whenua Land Information New Zealand26
- U.S. Geological Survey2
- 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
- Uganda Bureau of Statistics1