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- East India Company. Army. Bombay Army3
- Edinburgh Geographical Institute.3
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- G.M. Hopkins & Co.3
- Geographical Surveys West of the 100th Meridian (U.S.)3
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- Geological and Geographical Survey of the Territories (U.S.)3
- Gray, Frank A.3
- Great Britain. Hydrographic Office3
- Great Britain. War Office. Intelligence Division3
- Great Britain. War Office. Topographical Depot3
- Greenough, George Bellas, 1778-18553
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- Gunnison, J. W. (John Williams), 1812-18533
- Hebert, L.3
- Hefel, Toney C., cartographer.3
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