57 Drill, Drill, Drill! A Tribute to USGS Drillers Eugene "Big Gene" Cobbs, Eugene "Little Gene" Cobbs, III, and Jeff Grey, and Their Contributions to Geologic Research East of the Mississippi River (Posters)

Sunday, 22 March 2020
8:00 AM - 12:00 PM
Grand Ballroom A–D


Presentations