Author
- United States. National Oceanic and Atmospheric Administration.12
- Surveys and Mapping, Ministry Lands and Housing11
- Bronx (New York, N.Y.). Office of the President.10
- New York (N.Y.). Dept. of Parks.10
- Office de la Topographie et de la Cartographie10
- Survey of Bangladesh10
- United States. Department of Transportation. Research and Innovative Technology Administration10
- Department of Land Affairs9
- Direccao Geral de Geografia c Cadastro9
- Geological Survey (U.S.)9
- Instituto Geografico Militar9
- Sudan National Survey Corporation9
- United States. Central Intelligence Agency.9
- Ethiopian Mapping Agency8
- United States. Environmental Protection Agency.8
- United States. Federal Highway Administration.8
- Federal Highway Administration, Office of Planning, HEPP-17
- Survey Department7
- Survey Department of Ghana7
- Schley, Jacob van der6