1906. United States. General Land Office. Townships containing coal [and] [t]ownships probably containing coal prepared by M. R. Campbell, Geologist in charge, Economic Geology of Fuels.; D... General Land Office (Washington, D.C).
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1891. United States. General Land Office. Relief shown by hachures and spot heights.; "Manufactured by the National Survey, Chester, Vt."; "Copyright 1924 bt Aaron H. Grout, Secretary of St... Dept. of the Interior, General Land Office (Washington, D.C).
1876. United States. General Land Office. Relief shown by hachures.; Shows drainage, county boundaries, railroads, railroad grants, military & Indian reservation, township lines, etc.; Prim... Photo lith & Print. by Julius Bien (New York).
1879. United States. General Land Office. J.A. Williamson, Commissioner General Land Office.; "Longitude west from Greenwich and Washington." 56 x 73 centimeters Scale 1:950,400 General Map... The Office (Washington).