Structure, coal thickness, and overburden thickness of the Wall Coal Resource Unit, west half of the Birney 30ʹ x 60ʹ quadrangle, Big Horn and Rosebud counties, Montana /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Culbertson, William Craven, 1919-, Saperstone, Herb I.
Format: Government Document Map
Language:English
Published: Reston, Va. : The Survey ; 1987.
Series:Coal investigations ; map C-111.
Subjects:
Description
Item Description:Relief shown by contours and spot heights.
Includes text, bibliography, index map, and correlation diagrams.
Cartographic material.
Physical Description:2 maps on 1 sheet : color ; 56 x 39 cm., on sheet 86 x 101 cm., folded in envelope 30 x 25 cm.