Lignite drilling during 1977 in western North Dakota: Adams, Billings, Bowman, Dunn, Golden Valley, Grant, Hettinger, Mercer, Oliver, Slope, Stark, and Williams Counties
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| Description | scientific article published in 1978 |
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author: United States Geological Survey |
| Publication date | 1978 |
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| Missing/wrong data? | Edit Wikidata item |