CALIFORNIA JOURNAL OF MINES AND GEOLOGY, QUARTERLY CHAPTER OF STATE MINERALOGIST'S REPORT XXXI, APRIL, 1935; VOLUME 31, NUMBER 2
San Francisco / Sacramento: Division of Mines/California Department of Natural Resources, 1935. Soft cover. Pages 111 through 254 with photographs, graphs and illustrations, plus foldout map bound in. Special article, Grubstake Permits, New Technique Applicable to the Study of Placers. Bound in white paper covers printed in black. Corner chip..... More