00920cam a22002651 4500 s 43000007 DLC 20260227111912.0 790730s1937 azuab b 000 0 eng c s 43000007 (OCoLC)5224582 Smithsonian inst. Library NIC OCoLC DLC premarc F806 .M95 no. 10 551.21 Colton, Harold Sellers, 1881- The basaltic cinder cones and lava flows of the San Francisco mountain volcanic field. By Harold S. Colton. Flagstaff, Northern Arizona society of Science and art, 1937. 2 p.l., [3]-50 p. illus. (incl. maps) 21 cm. Museum of Northern Arizona bulletin no. 10 Reproduced form type-written copy. Bibliography: p. 48-49. Volcanoes Arizona San Francisco Mountains. 52774 52774