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Collection
- Water-resources investigations report19
- Special publication / Montana Bureau of Mines and Geology4
- Hydrologic investigations atlas3
- Scientific investigations map3
- Open-file report2
- U.S. Geological Survey open-file report2
- Correlation chart / Montana Bureau of Mines and Geology)1
- Mineral investigations resources map1
- Miscellaneous investigations series map1
- U.S. Geological Survey miscellaneous field studies1