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- U.S. Geological Survey62
- Geological Survey of Canada7
- United States, Dept. of the Interior, Geological Survey7
- Government of Puerto Rico, Department of Public Works,United States Department of the Interior Geological Survey6
- Army Map Service5
- The Survey4
- The Administration3
- Geological Survey2
- Geological Survey of Ohio2
- The Office2
- publisher not identified2
- American Automobile Association1
- American Geographical Society1
- Army Map Service, Corps of Engineers, War Dept,Sold and distributed by U.S. Geological Survey1
- Army Map Service, U.S. Army1
- Broad's Book & Stationery, Inc1
- Bureau of Geology and Topography1
- California Map Publishers1
- Canada Dept. of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography1
- Denoyer-Geppert Co.1
