
La Grande serves as a vital hub in the Grande Ronde Valley, where the steep slopes of the Blue Mountains meet the fertile lowlands. The city's layout is defined by the historic corridor of the Union Pacific Railroad, with institutional anchors including Eastern Oregon University and the Union County Courthouse. The landscape's complex hydrology is visible through an extensive network of irrigation and drainage features like the Gekeler Ditch and Mulhalland Slough, which support the region's agricultural character.
91 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.
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 · Hilgard
USGS Topo · 1:24,000
1963 · Summerville
USGS Topo · 1:24,000
1964 · Drumhill Ridge
USGS Topo · 1:24,000
1965 · Conley
USGS Topo · 1:24,000