Geology Baseline Study: Abby and Brent investigate a layer that appeared to be chert when viewed from a distance.
Rick Alena, working with Charles Lee, searches for the first repeater, 2.5 miles away on a hill, a mile south of the hab.
Years ago, miners roamed these hills searching for uranium; with the addition of a GPS unit, similar equipment is used today to set up a wireless computer network.
Thom Stone (Ames/NREN) above the head of Lith Canyon, the intended scenario #3 EVA site. The second repeater is located on the brown hill to the left, framed by the Henry Mountains.