Pumice, pumicite, and volcanic cinders in California Chesterman, Charles Wesley 1913- creator California Division of Mines. text bibliography cau San Francisco 1956 monographic eng
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119 p. illus, maps (part fold., part col.) 29 cm. by Charles W. Chesterman, and Technology of pumice, pumicite, and volcanic cinders, by F. Sommer Schmidt. Part of illustrative matter folded in pocket. Includes bibliographical references. n-us-ca Pumice California Volcanic ash, tuff, etc California Petrology California TN24.C2 A3 no. 174 553.69 Technology of pumice, pumicite, and volcanic cinders Schmidt, Frederick Sommer, 1881- Bulletin (California. Division of Mines) ; no. 174 gs 57000151 DLC 760304 20260227111405.0 gs 57000151