GEOLOGY OF THE GREAT FALLS COAL FIELD, MONTANA; GEOLOGICAL SURVEY BULLETIN 356
Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1909. Soft cover. 85 pages with eight photographic plates, two sectional foldouts, and the large folded map present in the rear pocket. Bound in standard original gray stiff paper covers printed in black. A near fine copy. More