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1972 Map of Arco North, 1976 Print
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1972 Map of Arco North

USGS Topo · Published 1976

About this map

The Big Lost River Valley forms a wide agricultural corridor through central Idaho, dominated by an intricate network of irrigation systems and the Union Pacific railroad line. Managed water is central to the landscape, with the Arco Canal, Munsey Ditch, and Lower Blaine Canal snaking through the valley floor to support local ranching and farming. To the east, the terrain rises sharply into the Challis National Forest, where landmarks like Arco Peak and a Natural Arch overlook the desert basin. The community of Moore sits to the north, while the outskirts of a larger settlement appear at the southern edge, featuring the Lost River Hospital and Hillcrest Cem. This era of the early 1970s shows the region’s reliance on the Big Lost River for both transit and sustenance, with the Diversion Dam and various sewage disposal ponds marking the infrastructure of the time.

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Map Details

Date Portrayed1972
Date Published1976
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.7 inches

Editions of this 1972 Arco North Map

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

Historical Maps of Arco Through Time

255 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain