Petrographic data from the Lower Cretaceous Blackleaf Formation and lower Upper Cretaceous Frontier Formation (lower part) in Beaverhead and Madison counties, Montana
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Abstract
Publication type | Report |
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Publication Subtype | USGS Numbered Series |
Title | Petrographic data from the Lower Cretaceous Blackleaf Formation and lower Upper Cretaceous Frontier Formation (lower part) in Beaverhead and Madison counties, Montana |
Series title | Open-File Report |
Series number | 85-592 |
DOI | 10.3133/ofr85592 |
Edition | - |
Year Published | 1985 |
Language | ENGLISH |
Publisher | U.S. Geological Survey, |
Description | i, 19 leaves :map ;28 cm. |
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