Search results
Jump to navigation
Jump to search
- |category6=Non-marine Sand, Clay, and Silt H. B. Willman and John C. Frye3 KB (506 words) - 17:34, 21 November 2016
- |category6=Non-marine Sand, Clay, and Silt ...chbach, Charles Collinson, John C. Frye, M. E. Hopkins, Jerry A. Lineback, and Jack A. Simon, 1975, Handbook of Illinois Stratigraphy: Illinois State Geol4 KB (554 words) - 17:11, 11 January 2017