Prof. Shawn Willsey, CSI, will lead this full-day trip to Twin Falls. Register at 7:30am at the Idaho Museum of Mining and Geology, 2455 Old Penitentiary Rd for an 8am departure. $15 nonmembers, $10 museum members; Dress for the weather and bring water and lunch. For more information visit www.idahomuseum.org or call Steve 853-1678."