December 2019 - No news letter

November 2019 - Anita Grunder - Legacy of Cenozoic Volcanism in the Pacific Northwest: Emphasis on the High Lava Plains of Oregon

October 2019 - Tony Hammond - Vanadium Deposits in Arizona

September 2019 - Kent J. McGrew - In-Situ Recovery Basics

August 2019 - Kent J. McGrew - In-Situ Recovery Basics

July 2019 - Gregory J. Leonard, The Planetary Perils and Economic Promise of Near-Earth Asteroids

June 2019 - No Speaker - Social Networking Event

May 2019 - Max Canby - Bootprints in Bear Country:  Discovery, History and Geology of the Malmyzh Cu-Au Porphyry Cluster, Khabarovsk Kral, Russia

April 2019 - Dan Johnson - Florence Copper:  Copper Recovery Using In-Situ Technology

March 2019 - Sarah Elizabeth Baxter - Treasures of Arizona's Sky Islands:  Geology and Mineral Resources of Coronado National Forest

February 2019 - Dr. Jeffrey E. Post - The Hope Diamond and Smithsonian National Gem Collection

January 2019 -  John Dilles - Using the Zonation of Trace Metal Geochemistry and Hydrothermal Mineralogy for Porphyry Copper Mineral Exploration