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1981 Map of Ruby

Name: 1981 Topographic Map of Ruby
Creator: U.S. Geological Survey
Published: 1985
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1985

About this map

Ruby and its surrounding mining district sit at the heart of the Coronado National Forest, where the complex geology of the Tumacacori Mountains and Atascosa Mountains meets the international border. This survey details a landscape defined by 20th-century extraction, featuring the Montana Mine and Montana Peak, as well as the Cramer Mine and Dos Amigos Mine. The presence of the Oro Blanco Ruins and Ruby Lakes reflects the precarious nature of settlement and water management in this arid borderland.

Water infrastructure is critical across this terrain, evidenced by a dense network of catchments like Frog Tank, Salty Tank, and the Javelina Dam. Further south, the map identifies the Gooding Research Natural Area and the Atascosa Lookout atop the high ridges. Along the southern margin, the United States of America Estados Unidos Mexicanos boundary marks the transition toward Los Alisos in Sonora, Mexico.