MINERAL LAND CLASSIFICATION OF THE GREATER LOS ANGELES AREA; PARTS I, II & III. SPECIAL REPORT 143, 1979 AND 1981
San Francisco: California Division of Mines and Geology [1981], 1979. Soft cover. Part I; Description of the Mineral Land Classification Project of the Greater Los Angeles Area, and Part II: Classification of Sand and Gravel Resource Areas, San Fernando Valley Production-Consumption Region. 79 pages with glossary, maps and references. Bound..... More