1894. 2013-03-13T14:00:14Z. 2015-04-10T20:59:37Z. Iddings, Joseph Paxson, 1857-1920. Engraved and printed by the U.S. Geological Survey, Bailey Willis, Editor of Geologic Maps, S.J. Kübel, Chief Engraver. English. Public. Montana, Park County, and Gallatin County.