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1906 Map of Grand Hogback, 1959 Print
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1906 Map of Grand Hogback

USGS Topo · Published 1959

About this map

The Grand Hogback forms a striking geologic spine through this 1906 topographic study, marking the sharp transition between the Roan Plateau and the lower river valleys. Along the southern edge, the Colorado River corridor serves as the primary artery for settlement and transport, anchored by the Denver and Rio Grande RR. This rail line connects the agricultural and ranching hubs of Rifle, Antlers, Silt, and Newcastle.

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Map Details

Date Portrayed1906
Date Published1959
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:125,000
Physical Dimensions17.57 x 21.3 inches

Editions of this 1906 Grand Hogback Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain