Title
Silverton folio, Colorado / [by Whitman Cross, Ernest Howe and F.L. Ransome] ; Department of the Interior, United States Geological Survey.
Published
Washington, D.C. : Engraved and printed by the U.S. Geological Survey, George W. Stose, Editor of Geologic Maps, S.J. Kubel, Chief Engraver, 1905.