
The dry, dissected canyons of Umatilla County are frozen in time on this mid-century survey of the high desert terrain. Alkali Canyon serves as a primary geographical axis, flanked by the Alkali School and several agricultural or extraction sites. The landscape is defined by its deep drainage patterns, including Speare Canyon and Slusher Canyon, which cut through the plateaus toward the Base Line in the southern portion of the quadrangle. The map documents the scattered industrial and rural infrastructure of the era, from a Gravel Pit near the eastern margin to a Grave Pit located further south. This record captures the region's character through its specific local nomenclature, where named features like Spikes Gulch and Mud Spring Canyon indicate the essential role of water and topography in early 20th-century land use and settlement.
10 named features on this map. Tap any name to fly to it.
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2 editions found
1908 · Umatilla
USGS Topo · 1:125,000
1935 · Pendleton
USGS Topo · 1:125,000
1953 · Pendleton
USGS Topo · 1:250,000
1956 · Pendleton
USGS Topo · 1:250,000
1966 · Barnhart
USGS Topo · 1:24,000
1966 · Coombs Canyon
USGS Topo · 1:24,000
1967 · Nye
USGS Topo · 1:24,000
1968 · Echo SE
USGS Topo · 1:24,000
1968 · Echo
USGS Topo · 1:24,000
1968 · Nolin
USGS Topo · 1:24,000