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Publisher
- Government of Puerto Rico, Department of the Interior,United States Department of the Interior Geological Survey37
- Canada Department of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography9
- Instituto Geográfico e Cadastral8
- The Office3
- The Service3
- L. Larmat2
- New York Times Company2
- AMS [i.e. Army Map Service]1
- Clyde Menke1
- Forest Service, Southern Region1
- Government of Puerto Rico, Department of Public Works,United States Department of the Interior Geological Survey1
- Official Tourist Information Office1
- Oregon Dept. of Geology and Mineral Industries1
- Published at the Hydrographic Office under the authority of the Secretary of the Navy1
- Ravensteins Geographische Anstalt1
- Sacramento Chamber of Commerce1
- Survey Dept1
- Survey Div., D.S.M.1
- U.S. Department of Agriculture, Forest Service1
- U.S. Department of Agriculture, Forest Service,Geological Survey1
