
The Old Oregon Trail Hwy cuts across the northern reaches of this high desert landscape, marking a historic corridor of western migration that remains visible in the modern road network. This arid region of Elmore County, dominated by the Bruneau Desert, is defined by deep drainage patterns such as Cassia Gulch and Tuana Gulch that flow toward the Snake River valley. The infrastructure reflects a landscape of large-scale agriculture and transit, where the Cassia Canal provides essential water and a grid of rural routes like Glenns Ferry Castleford Rd and S Bell Rapids Rd connect isolated outposts. To the south, the prominent landmark of Indian Butte rises near the junction of Elmore and Owyhee counties, overlooking the rugged terrain of Rosevear Gulch.
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1947 · Pasadena Valley
USGS Topo · 1:24,000
1948 · Pasadena Valley
USGS Topo · 1:24,000
1948 · Twentymile Butte
USGS Topo · 1:24,000
1948 · Ticeska
USGS Topo · 1:24,000
1949 · Ticeska
USGS Topo · 1:24,000
1949 · Pasadena Valley
USGS Topo · 1:62,500
1949 · Bliss
USGS Topo · 1:24,000
1949 · Hagerman
USGS Topo · 1:24,000
1949 · Indian Butte
USGS Topo · 1:24,000
1950 · Hagerman
USGS Topo · 1:24,000