Depositional environment of the middle Proterozoic Spokane Formation; Empire Formation transition zone, west-central Montana
Open-File Report
80-1232
By: James W. Whipple
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Abstract
Suggested Citation
Whipple, J., 1980, Depositional environment of the middle Proterozoic Spokane Formation; Empire Formation transition zone, west-central Montana: U.S. Geological Survey Open-File Report 80-1232, iv, 103 p. ill., maps ;28 cm., https://doi.org/10.3133/ofr801232.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Depositional environment of the middle Proterozoic Spokane Formation; Empire Formation transition zone, west-central Montana |
| Series title | Open-File Report |
| Series number | 80-1232 |
| DOI | 10.3133/ofr801232 |
| Year Published | 1980 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | iv, 103 p. ill., maps ;28 cm. |