
The Union Pacific railroad corridor defines the development of this eastern Oregon landscape, threading through Pyles Canyon and past the settlement of Telocaset. This mid-century survey captures the rugged transition between the Antelope Valley and the forested slopes of the Whitman National Forest. To the south, the Powder River carves a winding path across the Union and Baker county line, where it is impounded by the Thief Valley Dam to form the Thief Valley Reservoir. Small rail-side points and rural outposts like Sago and Gentry appear alongside varied terrain features such as Telocaset Hill and Riverdale Hill. The map documents a working landscape of the 1960s, marked by scattered Mines, Prospects, and a Quarry, reflecting the area's history of natural resource extraction and transit infrastructure.
32 named features on this map. Tap any name to fly to it.
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2 editions found
1901 · Baker City
USGS Topo · 1:125,000
1906 · Telocaset
USGS Topo · 1:125,000
1955 · Baker
USGS Topo · 1:250,000
1955 · Grangeville
USGS Topo · 1:250,000
1959 · Baker
USGS Topo · 1:250,000
1959 · Grangeville
USGS Topo · 1:250,000
1965 · Union
USGS Topo · 1:24,000
1965 · Medical Springs
USGS Topo · 1:24,000
1965 · North Powder
USGS Topo · 1:24,000
1965 · Little Catherine Creek
USGS Topo · 1:24,000