01268cam a22003251 4500 gs 57000151 DLC 20260227111405.0 760304s1956 cauab b s001 0 eng gs 57000151 (OCoLC)2029671 DLC NSbSU NSbSU WaChenE OCoLC DLC n-us-ca TN24.C2 A3 no. 174 QE461 .C45 553.69 Chesterman, Charles Wesley, 1913- Pumice, pumicite, and volcanic cinders in California, by Charles W. Chesterman, and Technology of pumice, pumicite, and volcanic cinders, by F. Sommer Schmidt. San Francisco, 1956. 119 p. illus, maps (part fold., part col.) 29 cm. California. Division of Mines. Bulletin, 174 Part of illustrative matter folded in pocket. Includes bibliographical references. Pumice California. Volcanic ash, tuff, etc. California. Petrology California. Schmidt, Frederick Sommer, 1881- Technology of pumice, pumicite, and volcanic cinders. California. Division of Mines. Bulletin (California. Division of Mines) ; no. 174. 29142 29142