Emigrant Trl winds through the high desert landscape of Ada County, marking a historic corridor of movement south of the Snake River. This 2010 survey illustrates a region defined by its water management and transit history, featuring infrastructure like Clarks Ferry and Foreman Dam, which controls Foremans Reservoir. The terrain is punctuated by significant volcanic landmarks such as Castle Butte, while drainage patterns like Castle Creek and Catherine Creek carve through the arid flats. Local history is reflected in named sites like Morgan Place and Henderson Flats, as well as a road network that hints at the area's mid-century military significance via Missile Base Rd. The map also captures the intricate web of desert routes, including the Castle Creek Cutoff and Poison Creek Cutoff, used to navigate this corner of the Idaho desert.
27 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1892 · Bisuka
USGS Topo · 1:125,000
1894 · Bisuka
USGS Topo · 1:125,000
1947 · Grand View
USGS Topo · 1:62,500
1947 · Jackass Butte
USGS Topo · 1:24,000
1947 · Wild Horse Butte
USGS Topo · 1:24,000
1947 · Vinson Wash
USGS Topo · 1:24,000
1948 · Castle Butte
USGS Topo · 1:24,000
1948 · Vinson Wash
USGS Topo · 1:24,000
1948 · Big Foot Butte
USGS Topo · 1:24,000
1948 · Wild Horse Butte
USGS Topo · 1:24,000