1906 Map of Blackhawk
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1906 Map of Blackhawk

USGS Topo · Published 1906

About this map

Blackhawk serves as a major focal point in the southwest corner of this 1904 survey, situated where North Fork Clear Creek meets the rugged mining terrain of Justice Hill and Silver Hill. The landscape is defined by the early development of Colorado’s mountain corridors, showing the Denver Northwestern and Pacific RR and the Colorado and Southern RR threading through the canyons. Notable ranching and mountain settlements like Magnolia, Rollinsville, and Pactolus are documented alongside numerous family holdings such as Winiger Ranch and Benson Ranch. High-altitude education is marked at the Pine Glade School, while the eastern plains transition at Plainview. The map captures a critical era of resource extraction and transit before modern highway development, with legacy routes like Dory Hill Road and Drew Hill Road providing essential access between the mining districts and the growing Front Range.


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Map Details

Date Portrayed1906
Date Published1906
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.5 x 19.7 inches

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Source Details

CopyrightPublic Domain