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1972 Map of Big Horse Basin Gap

Name: 1972 Topographic Map of Big Horse Basin Gap
Creator: U.S. Geological Survey
Published: 1976
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1976

About this map

Horse Basin defines this high-desert landscape in Owyhee County, characterized by a series of dramatic gaps and drainage networks captured during a 1972 field check. The area is marked by the convergence of Big Horse Basin Gap and Little Horse Basin Gap, which provide natural passage through the high terrain. Water management and seasonal flow are evident through the paths of Big Jacks Creek and Little Jacks Creek, as well as Rattlesnake Creek to the southwest.

Transportation across this remote expanse in the early 1970s was limited to specialized routes, including a Pack Tr and several stretches of Jeep Trail. A prominent Pipeline cuts through the basin, reflecting the industrial infrastructure required to traverse this portion of the Idaho backcountry. The map provides a precise look at the township boundaries between T 8 S and T 9 S, offering essential data for land use researchers and local historians studying the Owyhee desert.