Geology field trip stopping at the Eureka Valley dunes. Individuals include, left to right, Dennis Farr DS68, Peter Guth DS69, Kent Davis DS68, Bill Mack DS68, John Mawby DS53 (professor), Unknown behind Mawby, Jeff Boyd DS69, Possibly Joel Hyde…
Left to right, Peter Wakeman DS69, Peter Guth DS69, John Mawby DS53 (professor), and Dian Mawby (John Mawby's wife) walk out across the playa to look at the moving rocks
Players here include, left to right, William Skinner DS42, a China expert and visiting lecturer, Joel Hyde DS67, Mike Huston DS68, Andy Fairchild DS67, and Bill Mack DS68