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1966 Map of The Hogback South, 1980 Print
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1966 Map of The Hogback South

USGS Topo · Published 1980

About this map

The Hogback dominates the northwestern landscape of this San Juan County region, providing a sharp geological boundary within the Navajo Indian Reservation. This 1966 topographic study, updated with late-1970s aerial data, captures a transition in land use where traditional drainage systems like the Chaco River and Coal Creek meet industrial incursions. Evidence of resource exploration is scattered throughout the terrain, indicated by numerous Drill Holes, a specific Mine, and larger-scale Mines positioned near the ridge. Infrastructure is sparse but critical, featuring a Radio Facility perched near the high ground and several isolated Wells and a Spring providing essential water points in the arid environment. The map provides a detailed look at the Cottonwood Arroyo system, illustrating the complex erosional patterns that characterize this part of the high desert.

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Map Details

Date Portrayed1966
Date Published1980
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1966 The Hogback South Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain