This study involved two major themes: 1. the study of drainage development and upland chert gravels in Chase County; 2. the addition of Olpe SoiVchert gravel sites in Chase, Neosho, and Wilson Counties to the existing ...

Chert gravel in Butler County, Kansas can be divided into two distinctive types. Residual chert gravels have been weathered out in 'place on the dip slopes of the Flint Hills. These gravels are the source for the other ...