National Geologic Map Database
General Information
- Title: The Spearfish Formation in western North Dakota
- Author(s): Dow, W.G.
- Publishing Organization: International Williston Basin Symposium
- Series and Number: Proceedings no. 3 [p. 127-131]
- Larger Work: Third international Williston basin symposium
- Publication Date: 1964
- Map Scale: 1:3,000,000
- Cross Section: Yes
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.