Because no detailed digital mapping has been done for this county, this map is extracted from the state geologic map.
Walters, K.L., 1954, Geology and ground-water resources of Marshall County, Kansas: Kansas Geological Survey, Bulletin 106, 116 p. (available online)
The Kansas Data Access and Support Center (DASC) has ArcInfo coverages available for this geologic data.
Cartographic Services, Kansas Geological Survey
Updated June 30, 2008
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