Cover Image

Geologic map showing distribution of clinker in the tertiary Fort Union and Wasatch formations, northern Powder River Basin, Montana /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Heffern, Edward L.
Format: Government Document Map
Language:English
Published: Reston, VA : The Survey ; 1993.
Series:Coal investigations ; map C-142.
Subjects:
Coal > Powder River Basin (Wyo. and Mont.) > Maps.
Fort Union Formation > Maps.
Wasatch Formation > Maps.
Description
Item Description:Relief shown by contours and spot heights.
Includes text, bibliography, index and location maps, 2 tables and 2 col. cross sections.
Cartographic material.
Physical Description:1 map : color ; 95 x 85 cm., on sheet 142 x 104 cm., folded in envelope 30 x 24 cm.