EarthWorks Geospatial Catalog

Map showing configuration of the top of the Madison Group, Shelby 1-degree by 2-degree quadrangle, Montana [cartographic material] / by R.D. Feltis ; prepared by the U.S. Geological Survey in cooperation with the Montana Bureau of Mines and Geology.

Description
Relief shown by contours and spot heights. "Topographic contour interval 200 feet. Supplementary contours at 100-foot intervals." "Base from U.S. Geological Survey 1957. Limited revision, 1967." "Contours mapped in March 1977." "This map is one of a series that shows the configuration of the top of the Madison Group of Mississippian age at a scale of 1:250,000. ... The maps are part of a preliminary study of the geohydrology of the Madison Group." Location map on envelope. Includes text and location map.
Publisher
Montana Bureau of Mines and Geology
Year
1980-01-01T00:00:00Z
Held by
MIT
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