
The Old Oregon Trail cuts a diagonal path across the northern plateau of this Idaho landscape, running parallel to the Union Pacific railroad line. The terrain is defined by the deep gorge of the Snake River, which serves as the natural boundary between Elmore and Owyhee Counties. This mid-century survey illustrates a sparse ranching and transportation corridor, where water management is critical to the arid environment of Chalk Flat. The Indian Cove Bridge provides a vital crossing point near the mouth of Chalk Gulch, connecting the river bottomlands to the elevated ridges. Geologic landmarks such as Indian Point and Medbury Hill rise above the river valley, while smaller drainages like Browns Creek and Bennett Creek feed into the main waterway. Signs of local industry and infrastructure are present through a Gravel Pit and several Pumping Plants located along the riverbanks.
21 named features on this map. Tap any name to fly to it.
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4 editions found
1892 · Mountain Home
USGS Topo · 1:125,000
1892 · Camas Prairie
USGS Topo · 1:125,000
1893 · Mountain Home
USGS Topo · 1:125,000
1893 · Camas Prairie
USGS Topo · 1:125,000
1947 · Indian Cove
USGS Topo · 1:24,000
1947 · Hammett
USGS Topo · 1:24,000
1947 · Sand Dunes
USGS Topo · 1:24,000
1947 · Hot Spring
USGS Topo · 1:24,000
1948 · Sand Dunes
USGS Topo · 1:24,000
1948 · Hammett
USGS Topo · 1:24,000