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1992 Map of Opalene Gulch
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1992 Map of Opalene Gulch

USGS Topo · Published 1992

About this map

Riverside sits on the banks of the Snake River at the northern edge of this Owyhee County study, where the river's path is marked by Fruit Island and Dilley Island. The landscape transitions from the river valley into a high-desert terrain defined by volcanic landmarks such as Elephant Butte and Liberty Butte. This 1992 revision reveals an active industrial and agricultural corridor, with the Job Corps Conservation Center established near the Valley Mound Wasteway and a complex network of irrigation channels like the Deer Flat Canal and Conroy Lateral. To the south, the topography grows more complex as it rises toward French John Hill and the Shares Basin. This area is characterized by numerous Prospect sites and Open Pit Mines, indicating significant mineral exploration. Remote watering points like Alkali Spring and Coyote Spring remain vital landmarks in this arid backcountry.

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Map Details

Date Portrayed1992
Date Published1992
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1992 Opalene Gulch 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