
This historical map portrays the area of Opal Mountain in 2020, primarily covering Opal Mountain. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Opal Mountain region at the time. Published in 2020, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1926 · Mitchell
USGS Topo · 1:125,000
1948 · Ochoco Reservoir
USGS Topo · 1:62,500
1950 · Ochoco Reservoir
USGS Topo · 1:62,500
1951 · Lookout Mtn
USGS Topo · 1:62,500
1955 · Bend
USGS Topo · 1:250,000
1957 · Bend
USGS Topo · 1:250,000
1958 · Bend
USGS Topo · 1:250,000
1968 · Horse Heaven Creek
USGS Topo · 1:24,000
1968 · Axehandle Butte
USGS Topo · 1:24,000
1968 · Dutchman Creek
USGS Topo · 1:24,000