CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOLUME 52, NUMBER 1, JANUARY 1956
San Francisco / Sacramento: Division of Mines / California Department of Natural Resources, 1958. Soft cover. Pages 1 through 104 with photographs, graphs, maps tables, illustrations and references. Contents; Annual Report of the State Mineralogist for the 106th Fiscal Year; Sand and Gravel for Concrete Aggragate. Bound in original gray..... More