Maps showing coal-split boundaries, isopachs of coal splits, coal resources, and coal quality--Mammoth Coal Bed, Paleocene Tongue River member of the Fort Union Formation, Bull Mountain Coal Field, south-central Montana

Main Author: Geological Survey (U.S.)
Other Authors: Connor, Carol Waite.
Format: Map
Language: English
Published: Reston, Va. : Denver, CO : The Survey ; For sale by Map Distribution, 1989.
Physical Description: 8 maps on 2 sheets : color ; 46 x 64 cm or smaller, sheets 104 x 131 cm, folded in envelope 30 x 24 cm.
Series: Coal investigations ; map C-126-B.
Subjects:
Item Description: Relief shown by contours and spot heights.
"Geology mapped 1978-81."
Includes text, bibliography, index to quadrangle names, location map, and 2 photographs.
Physical Description: 8 maps on 2 sheets : color ; 46 x 64 cm or smaller, sheets 104 x 131 cm, folded in envelope 30 x 24 cm.