Reference | {Deposit:: MINE MAP REPO # 408287,409056 AND OTHERS UNDER EXPLORATION}{Deposit:: BY EARTH SCIENCES INC. ; REF: MAS FILE-USGS PROF PAPER 223 P}{Deposit:: Sims, P. K., Drake, A. A., Jr., and Tooker, E. W., 1963, Economic geology of the Central City district, Gilpin County, Colorado: U.S. Geological Survey Professional Paper 359, 231 p.}{Deposit:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.} |