Standards for the classification of public coal lands
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Main Author: | Bass, N. Wood 1893-1979, |
---|---|
Other Authors: | Horn, George H. 1917-, Smith, H. L., Geological Survey (U.S.), |
Format: | eBook |
Language: | English |
Published: |
[Washington, D.C.] :
U.S. Department of the Interior, [Geological Survey],
[1970]
|
Physical Description: |
1 online resource (iii, 10 pages) : illustrations. |
Series: |
Geological Survey circular ;
633. |
Subjects: | |
Online Access: |
https://purl.fdlp.gov/GPO/gpo115075 |
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