| Reference | {Deposit:: 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.}{Deposit:: Moench and Drake, 1966, Mines and prospects, Idaho Springs district, Clear Creek and Gilpin Counties, Colorado; descriptions and maps: USGS OFR 66-87.} |