Author: | Oppelt, W. H. |
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Additional Authors: | Ellman, R. C., Kube, Wayne R., Ongstad, O. C., Oppelt, W. H. |
Year: | 1955 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:5122 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 5122 |
Subject: | Lignite--North Dakota |
Link: | https://hdl.handle.net/2027/mdp.39015078535930 |