Because no detailed digital mapping has been done for this county, this map is extracted from the state geologic map.
Walters, K.L., and Bayne, C.K., 1959, Geology and ground-water resources of Clay County, Kansas: Kansas Geological Survey, Bulletin 136, 106 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 July 1, 2008
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