
Summerville anchors the northeastern corner of this landscape, situated where the slopes of the Whitman National Forest descend into the fertile Grande Ronde Valley. The terrain is defined by a dramatic transition from the high, timbered ridges of Mt Emily and Indian Rock to the irrigated agricultural lands of the basin. An intricate network of water management features, including the Ordell Ditch and several private catchments like Wrights Reservoirs and York Reservoir, illustrates the valley's reliance on mountain runoff.
80 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1906 · Telocaset
USGS Topo · 1:125,000
1953 · Pendleton
USGS Topo · 1:250,000
1955 · Grangeville
USGS Topo · 1:250,000
1956 · Pendleton
USGS Topo · 1:250,000
1959 · Grangeville
USGS Topo · 1:250,000
1963 · La Grande SE
USGS Topo · 1:24,000
1963 · Sanderson Spring
USGS Topo · 1:24,000
1963 · Hilgard
USGS Topo · 1:24,000
1963 · Summerville
USGS Topo · 1:24,000
1964 · Thimbleberry Mtn
USGS Topo · 1:24,000