Correlation chart of lower and upper Cretaceous Blackleaf Formation, eastern Pioneer Mountains, southwestern Montana, to Drummond, central-western Montana
IMAP
2478
By: T. S. Dyman, R. G. Tysdal, C. A. Wallace, and S.E. Lewis
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Abstract
Suggested Citation
Dyman, T.S., Tysdal, R.G., Wallace, C.A., Lewis, S., 1994, Correlation chart of lower and upper Cretaceous Blackleaf Formation, eastern Pioneer Mountains, southwestern Montana, to Drummond, central-western Montana: U.S. Geological Survey IMAP 2478, 5 sections on 2 sheets ;sheets 101 x 137 cm., folded in envelope 30 x 24 cm. +1 pamphlet (15 p. : ill., maps ; 28 cm.), https://doi.org/10.3133/i2478.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Correlation chart of lower and upper Cretaceous Blackleaf Formation, eastern Pioneer Mountains, southwestern Montana, to Drummond, central-western Montana |
| Series title | IMAP |
| Series number | 2478 |
| Subseries | NONE |
| DOI | 10.3133/i2478 |
| Year Published | 1994 |
| Language | ENGLISH |
| Description | 5 sections on 2 sheets ;sheets 101 x 137 cm., folded in envelope 30 x 24 cm. +1 pamphlet (15 p. : ill., maps ; 28 cm.) |
| Scale | 500000 |