Origin and microfossils of the oil shale of the Green River formation of Colorado and Utah,
Bradley, Wilmot Hyde, 1899-
Origin and microfossils of the oil shale of the Green River formation of Colorado and Utah, by Wilmot H. Bradley. - Washington, U.S. Govt. Print. Off., 1931. - vi, 58 p. incl. maps, tables, diagr. 28 p. (incl. fold. map, 5 fold diagr.) 29 cm. - U. S. Geological Survey. Professional paper 168 .
At head of title: United States Department of the Interior.
Bibliographical foot-notes.
gs 31000269
Oil-shales.
Paleontology--Colorado.
Paleontology--Utah.
Micropaleontology--Colorado.
Micropaleontology--Utah.
QE75 / .P9 no. 168
I 19.16:168
Origin and microfossils of the oil shale of the Green River formation of Colorado and Utah, by Wilmot H. Bradley. - Washington, U.S. Govt. Print. Off., 1931. - vi, 58 p. incl. maps, tables, diagr. 28 p. (incl. fold. map, 5 fold diagr.) 29 cm. - U. S. Geological Survey. Professional paper 168 .
At head of title: United States Department of the Interior.
Bibliographical foot-notes.
gs 31000269
Oil-shales.
Paleontology--Colorado.
Paleontology--Utah.
Micropaleontology--Colorado.
Micropaleontology--Utah.
QE75 / .P9 no. 168
I 19.16:168