June 2018 - Gary Huckleberry, The Geoarcheology of Ancient Water Control in the Southwest: Lessons from the Past
May 2018 - William B. White, The Science of Caves and Cave Contributions to Science
April 2018 - Volker Spieth and Stanley B. Keith, Finding Gold in the Kupferschiefer
March 2018 - Joe Wilkins, Jr., Retired Consulting Geologist, Piedras Verdes and Cuatro Hermanos, Sonora, Mexico - A Tale of Two Porphyries
February 2018 - Paul F. Hlava, Access to Gems and Minerals, Causes of Color in Minerals and Gemstones
January 2018 - Peter L. Ward, Retired, U. S. Geological Survey, Bringing Peace to the Climate Wars