01463cam a22003131i 4500 gs 12000870 DLC 20260227111313.0 790220s1912 dcubd f001 0 eng gs 12000870 (OCoLC)4671343 DLC CoU-DA OCoLC DLC premarc QE75 .P9 no. 71 I 19.16:71 Willis, Bailey, 1857-1949. Index to the stratigraphy of North America / by Bailey Willis ; accompanied by a geologic map of North America ; compiled by the United States Geological Survey in cooperation with the Geological Survey of Canada and the Instituto geológico de México under the supervision of Bailey Willis and George W. Stose. Washington : U.S. Gov't. Print. Off., 1912. 894 p. : maps, fold. tables ; 29 cm. Geological Survey (U.S.). Geological Survey professional paper - United States Geological Survey ; no. 71 "List of contributors to the geologic map of North America and of the sources from which it has been compiled": p. 30-56. Also published as House doc. 998, 61st Cong., 2d sess. Bibliography: p. [840]-865. Geology, Stratigraphic. Geology North America Maps. Geological Survey of Canada Instituto Geológico de México. Stose, George Willis, 1869-1960. 25209 25209