
The Imnaha River carves a deep path through Wallowa County, serving as the central artery for this remote portion of northeastern Oregon. The drainage system is defined by steep canyons and ridges, including the prominent Jaynes Ridge and Morgan Ridge. Along the river’s course, human presence is marked by essential rural landmarks such as the Imnaha Grange and the Park Cemetery, indicating the enduring agricultural and social ties of the local community.
39 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.
1920 · Seven Devils Mining District
USGS Topo · 1:48,000
1922 · He Devil
USGS Topo · 1:48,000
1954 · Harl Butte
USGS Topo · 1:62,500
1955 · Grangeville
USGS Topo · 1:250,000
1957 · He Devil
USGS Topo · 1:62,500
1957 · Cuprum
USGS Topo · 1:62,500
1957 · Homestead
USGS Topo · 1:62,500
1959 · Grangeville
USGS Topo · 1:250,000
1987 · Riggins
USGS Topo · 1:100,000
1990 · Puderbaugh Ridge
USGS Topo · 1:24,000