01204cam a22003011 4500 gs 50000087 DLC 20260227111356.0 760309s1949 cauab 000 0 eng gs 50000087 (OCoLC)2038247 DLC NSbSU NSbSU DLC premarc TN24.C2 A3 no. 151 557.94 Williams, Howel, 1898- Geology of the Macdoel quadrangle, by Howell Williams, and Circular soil structures in northeastern California, by Peter H. Masson. San Francisco, State of California, Dept. of Natural Resources, Division of Mines, 1949. 78 p. illus., maps (part col.) 24 cm. California. Dept. of Natural Resources. Division of Mines. Bulletin, 151 Part of illustrative matter in pocket. Includes bibliographical references. Geology California Macdoel quadrangle Soils California Siskiyou County. Masson, Peter H. Circular soil structures in northeastern California California. Division of Mines and Geology. Bulletin ; no. 151. 28453 28453