United States. General Land OfficeTownships containing coal [and] [t]ownships probably containing coal prepared by M. R. Campbell, Geologist in charge, Economic Geology of Fuels.; Dec. 19, 1906.; Andrew B. Graham, photo-lithographers, Washington, D.C.; S Doc 194 59 2.; Shows land use and area of coal lands.; From U.S. Congress. Serial Set, vol. 5071, Sen. Doc. No. 59-194, part 2.29 x 44 CentimetersJPEGUMN_ALMA:9978376428501701engGeneral Land Office (Washington, D.C)PublicState of WashingtonMapsWashingtonUniversity of Minnesota