Color image of protesters who are part of the Lenten Desert Experience (also called the Nevada Desert Experience) at a demonstration against nuclear testing.

Color image of Sister Klaryta Antoszewska sitting on the ground in the Nevada desert during a demonstration against nuclear testing organized by the Lenten Desert Experience (also called the Nevada Desert Experience).

Color image of protesters standing in front of the "No Trespassing" sign at the entrance of the Nevada Test Site. They were part of the Lenten Desert Experience, a group opposing nuclear testing.

Color image of Sister Rosemary Lynch standing near a cactus in the Nevada desert during a demonstration organized by the Lenten Desert Experience, a group opposed to nuclear testing.

People standing outside of railroad passenger cars. Handwritten description from Dave Coons given with photograph: "SP, LA & SL station [street side] with draftees WWI Las Vegas. Sequence of farewell scenes with views of cars. At least one car still lettered 'Salt Lake'." Another description given: "1918 Deen leaving for the army, Las Vegas."

A group of schoolchildren pose with their teacher, Clarice Bateman (at right), in front the elementary schoolhouse in Tonopah, Nevada.

Panoramic view of the Antelope quicksilver (or mercury) mining district in Nye County, at the south end of the Cactus Range, thirty miles southeast of Goldfield, Nevada.