Mike Koehler and Mark Dean listen to other presenters. Neal Rothenbuhler demonstrates blasting device setup. Mountain crew member Jeff Hermanson speaks to attendees about the blast set up and safety. Mountain crew member Jesse Wheeler demonstrates fall protection. Proceeds from the seminar will be used to fund scholarships for the Indian University of North America® at Crazy Horse, and scholarships for the International Society of Explosives Engineers in the name of Korczak and Ruth Ziolkowski. -All photos in this story are the copyright ©Crazy Horse Memorial Students get to use the electronic detonator programming machine. January/February 2015 The Journal of Explosives Engineering (Continued on page 40.) 21http://www.RothenbuhlerEng.com