Quaternary geologic map of the Helena Valley, Montana [cartographic material] / by Michael C. Stickney ; prepared in cooperation with the U.S. Geological Survey.
- Relief shown by contours and spot heights. "Geology mapped 1980-81; 1985-86." Includes index map and ancillary map of fault distribution.
- Montana Bureau of Mines and Geology
- Held by
This data is hosted by MIT, and is currently unavailable to preview and download. Stanford University does not hold this data and cannot provide access to it, at this time. If you have questions about this or other unavailable datasets from MIT GIS Servcies please submit your feedback to email@example.com.