COURTESY HAROLD O. WEIGHT Zabriskie Ruins. Opals may be found in the canyon at right.
COURTESY FRASHER’S PHOTO. POMONA, CALIF. Charcoal Pits
COURTESY FRASHER’S PHOTO. POMONA, CALIF. Typical Death Valley Canyon
COURTESY FRASHER’S PHOTO. POMONA, CALIF. Death Valley sand dunes
COURTESY FRASHER’S PHOTO. POMONA, CALIF. Effect of prehistoric convulsions