The department of geological sciences and engineering thanks the Spelunkers Club and the C. L. Dake Geological Society for sacrificing their St. Pat’s break on Friday, March 12, to clean minerals out of McCormick Cave. Thanks to Michael Bradford, Bradley Brookshire, Kiley Bush, Peter Chollet, Thomas Herbst, Laura Siskin, Katherine Stockdale and Kelly Whitset of the U.S. Forest Service for putting on their mucking equipment, picking up a shovel and cleaning out the cave.