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1970 Map of Boundary Cone, 1973 Print
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1970 Map of Boundary Cone

USGS Topo · Published 1973

About this map

The Black Mountains dominate this portion of Mohave County, where the desert landscape is defined by its deep mining history and high-relief volcanic topography. Landmarks like Boundary Cone and McHeffy Butte anchor the horizon, while the terrain is marked by an extensive network of mineral exploration sites. This late 1960s survey reveals the scale of the Oatman mining district's influence, with specialized operations including the United Oatman Mine, Oatman Southern Mine, and Oatman Syndicate Mine spread across the slopes. The concentration of claims such as the Green Quartz Mine and Black Range Mine suggests a period of transition between active production and the preservation of historic lodes. Outside of these industrial nodes, the land remains largely untracked, save for a prominent Pipeline and a series of Jeep Trails that provide the only access to remote heights like Wrigley Peak.

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Map Details

Date Portrayed1970
Date Published1973
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.9 inches

Editions of this 1970 Boundary Cone Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain