| Reference | {Deposit:: LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 .}{Deposit:: CRAWFORD, J. J., 1896 , THIRTEENTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 13 , P. 258 .}{Deposit:: HOBSON, J. B., WILTSEE, E. A., 1893 , NEVADA COUNTY, CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 11 , P. 273 .}{Deposit:: HOBSON, J. B., 1890 , NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 10 , P. 373 - 374 .}{Deposit:: 5) JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 79 - 81 .}{Production:: JOHNSTON, 1940} |