Clifton H. Gray books & textbook
The Mineral Economics of the Carbonate Rocks Limestone And Dolomite Resources of California (1973 Bulletin 194)
James R. Evans Clifton H. Gray Oliver E. Bowen
California Division of Mines and Geology /1973T Pamphlet
GEOLOGY OF THE CORONA SOUTH QUADRABGLE AND THE SANTA ANA NARROWS AREA
California Division of Mines, San Francisco CA. /1961-01-01 Hardcover
