Thickness of Upper Cretaceous rocks from the base of the Ardmore Bentonite to the base of the Clay Spur Bentonite (top of the Lower Cretaceous rocks), Powder River basin, Wyoming and Montana
Open-File Report
87-340-F
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Abstract
Suggested Citation
Fox, J.E., Higley, D.K., 1987, Thickness of Upper Cretaceous rocks from the base of the Ardmore Bentonite to the base of the Clay Spur Bentonite (top of the Lower Cretaceous rocks), Powder River basin, Wyoming and Montana: U.S. Geological Survey Open-File Report 87-340, 1 map :photocopy ;55 x 55 cm., on sheet 78 x 79 cm., https://doi.org/10.3133/ofr87340F.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Thickness of Upper Cretaceous rocks from the base of the Ardmore Bentonite to the base of the Clay Spur Bentonite (top of the Lower Cretaceous rocks), Powder River basin, Wyoming and Montana |
| Series title | Open-File Report |
| Series number | 87-340 |
| Chapter | F |
| DOI | 10.3133/ofr87340F |
| Year Published | 1987 |
| Language | ENGLISH |
| Description | 1 map :photocopy ;55 x 55 cm., on sheet 78 x 79 cm. |