Reference | {Deposit:: MACBOYLE, E., 1919 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 146 - 147 .}{Deposit:: HOBSON, J. B., WILTSEE, E. A., 1893 , NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 11 , P. 283 .}{Deposit:: JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 92 .} |