National Geologic Map Database
General Information
- Title: Lower Cretaceous bentonitic strata in southwestern Montana assigned to Vaughn Member of Mowry Shale (east) and of Blackleaf Formation (west)
- Author(s): Tysdal, R.G., Dyman, T.S., and Nichols, D.J.
- Publishing Organization: The Rocky Mountain Association of Geologists
- Series and Number: The Mountain Geologist v. 26, no. 2 [p. 53-61]
- Publication Date: 1989
- Cross Section: None
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