Central City - Idaho Springs and contiguous districts

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.Moench and Drake, 1966, Economic geology of the Idaho Springs District, Clear Creek and Gilpin Counties, Colorado: USGS BULL. 1208, pl. 1, p. 7-13.Moench and Drake, 1966, Mines and prospects, Idaho Springs district, Clear Creek and Gilpin Counties, Colorado; descriptions and maps: USGS OFR 66-87.