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Update of Mineral Land Classification of Portland Cement Concrete-grade Aggregate in the Claremont-Upland Production-consumption Region, Los Angeles and San Bernardino Counties, California

Russell V. MillerLawrence L. Busch

出版	California Geological Survey, Department of Conservation, 2007
URL	http://books.google.com.hk/books?id=1vlRAQAAIAAJ&hl=&source=gbs_api