1986 Map of Mesquite Jim Well

About this map

King Valley dominates this arid landscape in Yuma County, Arizona, characterized by its isolation and specialized military usage. The area is largely defined by the sprawling Yuma Proving Ground, where the Military Reservation Boundary delineates a high-activity zone for defense testing. This 1986 survey illustrates the infrastructure supporting these operations, including a network of Gravel Pits and numerous observation points marked simply as Tower. Water management is critical in this environment, as evidenced by the namesake Mesquite Jim Well and various drainage features like the Ditch and several other identified Wells. The map provides a precise layout of the township and range lines, such as T 5 S T 6 S and R 15 W R 14 W, which are essential for navigating this desert terrain during the mid-1980s.