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1902 Map of Needle Mountains, 1905 Print
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1902 Map of Needle Mountains

USGS Topo · Published 1905

About this map

The Denver and Rio Grande Railroad snakes through the deep canyon of the Animas River in this 1902 survey of the high San Juan country. This topographic record documents a landscape shaped by extreme elevation and late-Victorian mining activity, centering on the Needle Mountains and the sharp peaks of the Grenadier Range. While most of the terrain is dominated by high-altitude features like Mt. Eolus and the Continental Divide, the presence of Beartown, Needleton, and Logtown illustrates the brief, intense human footprint of the era. The mapping of the Quartz Mill near the Florida River and various basins like Chicago Basin and New York Basin reveals the specific alpine locations where prospectors sought fortune before the turn of the century. High alpine lakes, including Molas Lake and Emerald Lake, dot the granite landscape between the West Needle Mountains and the massive drainage of Vallecito Creek.

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Map Details

Date Portrayed1902
Date Published1905
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.65 x 20.76 inches

Editions of this 1902 Needle Mountains Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain