00957cam a22002771i 4500 gs 32000180 DLC 20260227111336.0 790402s1932 dcuabf 001 0 eng gs 32000180 (OCoLC)4811746 DLC CoU-DA OCoLC DLC QE75 .P9 no. 167 QE807.A5 S6 I 19.16:167 Lower Triassic ammonoids of North America / by James Perrin Smith. Washington : U.S. Gov't. Print. Off., 1932. v, 199 p. : ill., map, 81 plates ; 29 cm. Geological Survey (U.S.). Geological Survey professional paper ; no. 167 At head of title: United States Department of the Interior. Bibliography: p. 4-6. Ammonoidea. Paleontology North America. Paleontology Triassic. Geological Survey professional paper ; no. 167. 26969 26969