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1994 Map of Douglas

Name: 1994 Topographic Map of Douglas
Creator: U.S. Geological Survey
Published: 1994
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1994

About this map

The industrial footprint of the Mule Mountains dominates the western portion of this 1994 survey, centering on the massive operations at the Copper Queen Mine and the Lavender Pit. The complex relationship between the mining settlements of Bisbee, Lowell, and Warren is clearly delineated alongside the Southern Pacific rail lines that once fueled the regional economy. To the east, the landscape transitions into the open expanse of the San Bernardino Valley, where the San Bernardino National Wildlife Refuge preserves a critical riparian corridor along Black Draw.

Stretching across the international boundary, the map provides a unique cross-border view of the twin cities of Douglas and Agua Prieta. While the northern half shows the structured township and range of Arizona, including Pirtleville and the Bisbee-Douglas International Airport, the southern half captures the Mexican terrain of Sonora, including the Ferrocarril Del Pacifico railroad. This document is a vital resource for tracing the evolution of copper mining and borderlands commerce in the late twentieth century.