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- Geological Survey (U.S.)7
- United States. Bureau of Land Management, cartographer6
- United States. Forest Service3
- Baume, Louis C. (Louis Charles)2
- Scott, Glenn Robert, 1918-2
- United States. Bureau of Land Management. Colorado State Office. GIS Unit2
- United States. National Park Service, cartographer2
- Allan Cartography (Firm)1
- Benchmark Maps (Firm), cartographer1
- Burr, David H., 1803-1875, cartographer1
- Cuyahoga Valley National Park (Agency : U.S.), cartographer1
- Frederick Law Olmsted (Firm), cartographer1
- Geographical Surveys West of the 100th Meridian (U.S.), cartographer1
- Herning, O. G.1
- Jürgens, U., geologist1
- Maberry, John O., 1935-1
- Middlebury College1
- National Geographic Maps (Firm)1
- National Survey Company, cartographer1
- Nell, Louis1
