Great Falls:: Yankee Fork Publ.. G-VG, unmarked, oblong illus. 8" x 7" Pamphlet.. c. 1983. ISBN: [3d prntingG] iv + 40 pp.. Catalogs: GOLD MINING. Keywords: GOLD MINING, IDAHO, DREDGING, YANKE FORK, BUCYRUS.
Denver:: A.B. Hirschfeld. G-VG, unmarked, illus. 8 1/2" x 10 3/4" Paperback.. c. 1956. ISBN: [Ed., Jack Guinn] 64 pp. [mostly photographs]. Catalogs: GOLD MINING. Keywords: GOLD MINING, COLORADO, PIKES PEAK, GOLD RUSH.