Maps and diagrams showing thickness and morphology of the Paleocene Canyon coal bed in the northern Powder River Basin, western part of the Broadus 30ʹ x 60ʹ quadrangle, Montana and Wyoming /
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| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, VA :
The Survey ;
1994.
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| Series: | Coal investigations ;
map C-143-A. |
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| Item Description: | Relief shown by contours and spot heights. Includes text, bibliography, 2 index maps, 4 ancillary maps, 2 tables and 5 diagrams. Sheet 2 includes 4 correlation diagrams (36 sections). Cartographic material. |
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| Physical Description: | 2 maps on 1 sheet : color ; 56 x 51 cm., sheet 142 x 104 cm., folded in envelope 30 x 24 cm. + 1 data sheet (112 x 79 cm.) |