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1948 Map of Sinker Butte, 1966 Print
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1948 Map of Sinker Butte

USGS Topo · Published 1966

About this map

The Emigrant Trail carves a path through this high desert terrain in Owyhee County, providing a stark reminder of the overland journey across the Idaho territory. This survey identifies the location of the Otter Massacre Site and Jacob Reuben Graves, marking significant and somber points of local history along the northern bank of Sinker Creek. The landscape is dominated by volcanic features like Sinker Butte and Sinker Creek Butte, while the Snake River forms the eastern boundary, serving as a hub for early infrastructure. Near the Swan Falls rapids, a Power Plant and a nearby Ferry signify the transition from natural barriers to harnessed resources. Ranching outposts such as Montini Ranch and Gabica Ranch are scattered near the few available water sources, including several named Well sites and a Spring.

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Map Details

Date Portrayed1948
Date Published1966
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24000
Physical Dimensions22 x 26.8 inches

Editions of this 1948 Sinker Butte Map

Historical Maps of Ada County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain