1973 Map of Margies Peak

About this map

Maricopa Mountains and their prominent high point, Margies Peak, dominate this 1970s landscape southwest of Phoenix. The terrain is defined by dry watercourses and desert basins like Rainbow Valley and Little Rainbow Valley, where the survival of cattle or travelers once depended on specific water infrastructure. The map documents several of these critical desert features, including CCC Tank, Hazen Tank, and the notably inactive Mountain Well (Dry). Human activity is marked by utility and exploration, shown by a Private Pipeline cutting across the northern flats and a lonely Prospect in the hills. To the south, Margies Cove and Sheep Mountain illustrate the complex geography of the range, offering a detailed look at the land before later development began to encroach on this part of Maricopa County.