Index to the stratigraphy of North America /
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.
"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.
gs 12000870
Geology, Stratigraphic.
Geology--North America--Maps.
QE75 / .P9 no. 71
I 19.16:71
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.
"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.
gs 12000870
Geology, Stratigraphic.
Geology--North America--Maps.
QE75 / .P9 no. 71
I 19.16:71