After 39½ years with the South Dakota Geological Survey, and 21 years as State Geologist, Derric Iles retired on April 20, 2018. He contributed extensively to documenting the geology of his state, he hosted a superb 2013 AASG Annual Meeting, and he did an excellent job on AASG Executive as Treasurer. For his service, Derric received the 2018 AASG Distinguished Service Award. He and Irma will now retire to Missoula, Montana.
