Map showing cumulative thickness of sandstone in the Lakota Formation and equivalent rocks, Montana /
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| Corporate author / creator: | Geological Survey (U.S.), cartographer. |
|---|---|
| Imprint: | Helena, Montana : Department of the Interior, United States Geological Survey, 1982. Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey. |
| Description: | 1 online resource (1 map). |
| Language: | English |
| Series: | Water-resources investigations report ; 82-4040 Water-resources investigations report ; 82-4040. |
| Subject: | |
| Cartographic data: | Scale 1:1,000,000 (W 113°--W 104°/N 49°--N 45°) |
| Format: | E-Resource Map U.S. Federal Government Document |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/12284819 |