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1956 Map of Dale Lake

Name: 1956 Topographic Map of Dale Lake
Creator: U.S. Geological Survey
Published: 1970
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1970

About this map

Mining operations and industrial salt extraction dominate this arid landscape where the Pinto Mountains meet the Sheep Hole Mountains. The central basin is defined by the extensive Salt Evaporators of Dale Lake, supported by a network of Salt Wells and a Salt Pit near the settlement of Bush. To the south, the map reveals a dense concentration of hard-rock mining history, particularly around the New Dale location and the northern reaches of Joshua Tree National Monument.

Detailed topography captures the complex network of subterranean workings, including the Iron Age Mine, Brooklyn Mine, and Ivanhoe Mine, many of which are connected by a system of Tunnels and a Jeep Trail. This mid-century survey documents the transition from early prospector-led discovery to organized industrial exploitation, evident in the numerous Prospect labels and established claims like the Zulu Queen Mine and Supply Mine.