U.S. map showing states with legalized pari-mutuel wagering Dog racing (1994)

Map showing the population of Mississippi in 1990.

U.S. map showing states with legalized commercial casinos before 1931.

Map showing U.S. population in 1990.

Color image of people involved with the Lenten Desert Experience (also called the Nevada Desert Experience), a group demonstrating against nuclear testing.

Color image of people involved with the Lenten Desert Experience (also called the Nevada Desert Experience), a group demonstrating against nuclear testing. One is standing near a large wooden cross.

Color image of a man with a video camera and possibly a reporter asking questions of protesters with the Lenten Desert Experience (also called the Nevada Desert Experience), a group demonstrating against nuclear testing.