Pennsylvania Mine

{Deposit:: LOVERING, T.S., 1935, GEOLOGY AND ORE DEPOSITS OF THE MONTEZUMA QUADRANGLE, COLORADO: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 178, 119 P.}{Deposit:: LOVERING, T.S., AND GODDARD, E.N., 1950, GEOLOGY AND ORE DEPOSITS OF THE FRONT RANGE, COLORADO: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 223, 319 P.}{Deposit:: CONSV. DIV. COMP. DATE, 8,65}{Deposit:: NEUERBERG, G.J., BOTINELLY, THEODORE, AND ANALYSIS, 1977, SELECTED GEOCHEMICAL AND PETROGRAPHIC DATA FOR CHARACTERIZING THE MINERALIZED ROCKS OF THE MONTEZUMA MINING DISTRICT, CENTRAL COLORADO: U.S. GEOLOGICAL SURVEY OPEN FILE REPORT 77-425.}{Deposit:: WILSON, ANNA B., AND LAROCK, EDWARD J., 1991, ASCII DATABASE FOR PRINCIPAL LODE MINES AND MINERALIZED AREAS IN SOUTHERN SUMMIT COUNTY, COLORADO, U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 91-0027A AND B, 22 P. AND ONE DISKETTE.}{Deposit:: WILSON, ANNA B., AND LAROCK, EDWARD J., IN PRESS, MINERALIZED AREAS AND PRINCIPAL LODE MINES IN SOUTHERN SUMMIT COUNTY, COLORADO, U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-2163, SCALE 1:50,000.}{Deposit:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.}{Environment:: Finley, Bruce, 2012, Sticky Predicament--Risk of lawsuits preventing vital cleanup of thousands of abandoned mines: Denver Post (newspaper), Sunday Sept. 9, 2012, p. B1, B8.}