National Geologic Map Database
General Information
- Title: Cretaceous rocks of northwestern Montana
- Author(s): Cobban, W.A.
- Publishing Organization: Billings Geological Society
- Series and Number: Guidebook 6 [p. 107-119]
- Larger Work: Lewis, P.J., ed., Sweetgrass arch-Disturbed belt, Montana
- Publication Date: 1955
- Cross Section: Yes
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- This product is available, please note the publication series and number, and then contact:
- Montana Geological Society
- MGS Publications
- Box 844
- Billings, MT 59103
- Phone: (406) 259-8790
- Email: montanageologicalsociety@gmail.com
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.