Search Results: a disseminated silver lead zinc sulfide occurrence at by young ej and

Washington D.C.: U.S. Dept. of the Interior, 1973. Softcover. Good condition. Investigation of an upper Tertiary hydrothermally altered and mineralized stock in the Elkhead Mountains, northwest Colorado. Previous owner stamps. Spine faded. All plates in pocket.

Washington: United States Government Printing Office, 1973. stapled binding, 33 pages, illustrated, foldout map inside rear cover. very good. Investigation of an upper Tertiary hydrothermally altered and mineralized stock in the Elkhead Mountains, northwest Colorado DR3.