Officials in the field conducting a land survey for the Hoover Dam project. From left to right, the men include McDowell, U.S. Reclamation Service Engineer R. C. Thaxton, and Superintendent of Construction for the Six Companies Frank T. Crowe.
Color image of a child at a vigil held by the Lenten Desert Experience (also called the Nevada Desert Experience), a group of people demonstrating against nuclear testing.
Color image of a law enforcement vehicle at a demonstration held by the Lenten Desert Experience (also called the Nevada Desert Experience), a group protesting nuclear testing.