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Bromfield, C., (1967) Geology of the Mount Wilson Quadrangle Western San Juan Mountains Colorado. United States Geological Survey Bulletin 1227, 110 pages.

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Year1967
Original EntryBromfield, C., (1967) Geology of the Mount Wilson Quadrangle Western San Juan Mountains Colorado. United States Geological Survey Bulletin 1227, 110 pages.
Mindat Ref. ID16295684Long-form Identifiermindat:1:5:16295684:3
GUID0
Full ReferenceBromfield, C., (1967) Geology of the Mount Wilson Quadrangle Western San Juan Mountains Colorado. United States Geological Survey Bulletin 1227, 110 pages.
Plain TextBromfield, C., (1967) Geology of the Mount Wilson Quadrangle Western San Juan Mountains Colorado. United States Geological Survey Bulletin 1227, 110 pages.

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Matterhorn Mine, Ophir Mining District (Iron Springs Mining District), San Miguel County, Colorado, USA

See Also

These are possibly similar items as determined by title/reference text matching only.

(1967) Geology of the Mount Wilson quadrangle, western San Juan Mountains, Colorado. Bulletin 1227. US Geological Survey doi:10.3133/b1227
Steven, T., Lipman, P., Fisher, F., Bieniewski, C., Meeves, H., (1977) Mineral Resources of Study Areas Contiguous to the Uncompahgre Primitive Area, San Juan Mountains, Southwestern Colorado. United States Geological Survey Bulletin 1391-E, 136 pages.
Bromfield, Calvin Stanton (1962) Geology of the Wilson Peak stock, San Miguel Mountains, Colorado. Open-File Report Vol. 1962 (62-12) US Geological Survey doi:10.3133/ofr6212
----(1968), Geology and Ore Deposits of the Western San Juan Mountains, Colorado. In: Ridge, J.D. (editor) Ore Deposits of the United States, 1933-1967, (Graton-Sales Volumes): Chapter 3, Volume 1, 1880 pp.
Purington, C., Preliminary Report on the Mining Industries of the Telluride Quadrangle, Colorado. United States Geological Survey 18th Annual Report Part III, 144 pages.
(1972) Arsenic as an indicator element for mineralized volcanic pipes in the Red Mountains area, western San Juan Mountains, Colorado. Bulletin 1364. US Geological Survey doi:10.3133/b1364
Vhay, J., (1962) Geology and Mineral Deposits of the Area South of Telluride Colorado. United States Geological Survey Bulletin 1112-G, 112 pages.
Varnes, D.J. (1963) Geology and Ore Deposits of the South Silverton Mining Area, San Juan County, Colorado. United States Geological Survey Professional Paper 378-A.
Schmitt, Leonard J., Raymond, William H. (1977) Geology and mineral deposits of the Needle Mountains District, southwestern Colorado. United States Geological Survey Bulletin 1434.
Ruppel, E.T. (1963) Geology of the Basin Quadrangle Jefferson, Lewis and Clark, and Powell Counties, Montana. United States Geological Survey Bulletin 1151, 121 pages.
Barker, Fred (1969) Precambrian geology of the Needle mountains, Southwestern Colorado. United States Geological Survey Professional Paper 644-A.
 
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