Diagrams showing proposed correlation and nomenclature of Eocene and Paleocene coal beds in the Birney 30ʹ x 60ʹ quadrangle, Big Horn, Rosebud, and Powder River counties, Montana /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Culbertson, William Craven, 1919-
Format: Government Document Map
Language:English
Published: Reston, Va. : The Survey ; 1987.
Series:Coal investigations ; map C-113.
Subjects:
Description
Item Description:Includes text, bibliographical references, table, and index map.
Cartographic material.
Physical Description:9 diagrams on 2 sheets ; sheets 94 x 137 cm. and 89 x 86 cm., folded in envelope 30 x 24 cm.