Apex Natural Arch located in northeastern Christian County, Kentucky, is the result of surface water infiltration along parallel joints, basal erosion along a weaker section of the outcrop extending to existing joints, removal of basal support, and collapse of sandstone slabs. The arch is formally named here for the village of Apex, Kentucky.
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1 March 2007
Formation of Apex Natural Arch, Apex, Kentucky
V. Lynn Leasure,
Thomas C. Kind,
Michael R. Busby
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Journal of the Kentucky Academy of Science
Vol. 68 • No. 1
Spring 2007
Vol. 68 • No. 1
Spring 2007
Apex Arch
natural arch
western Kentucky arch