Farnham, L.L., and Havens, R., 1957, Pikes Peak iron deposits, Maricopa County, Ariz.: U.S. Bureau of Mines Report of Investigations R.I. 5319, 31 p.
Farnham, L.L., and Havens, R.
U.S. Bureau of Mines Report of Investigations R.I. 5319, 31 p.
Mining, BIF, Iron, Locale, Mineralization, Production, History, Subsurface,