Ammonites and some characteristic bivalves from the Upper Cretaceous Frontier Formation, Natrona County, Wyoming / by William A. Cobban.

Author/creator Coban, William Aubrey, 1916-
Format Book
Publication InfoWashington : U.S. G.P.O., 1991.
Descriptioniv, 13 pages, 11 leaves of plates : illustrations, maps ; 28 cm.
Subjects

SeriesU.S. Geological Survey bulletin ; 1917-B
Evolution of sedimentary basins--Powder River Basin ; ch. B
Evolution of sedimentary basins--Powder River Basin ; ch. B. ^A266806
U.S. Geological Survey bulletin 1917-B. ^A632078
Local noteJoyner-FOR JOYNER LIBRARY HOLDINGS OF THIS SERIES, U.S. GEOLOGICAL SURVEY BULLETIN, SEARCH BY CALL NUMBER QE75 .B9.
Bibliography noteIncludes bibliographical references.
LCCN 90003529
Govt. docs number I 19.3:1917B