
Hart Mountain National Antelope Refuge dominates the western portion of this 1971 survey in Lake County, Oregon. The landscape is defined by its drainage patterns and high-desert relief, where Black Slough Canyon and Guano Slough carve through the high plateau. To the southeast, the terrain rises toward Beatys Butte, a prominent volcanic landmark that anchors the surrounding basin.
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This is the sole edition of this map. No revisions or reprints were ever made.
1955 · Adel
USGS Topo · 1:250,000
1957 · Adel
USGS Topo · 1:250,000
1958 · Adel
USGS Topo · 1:250,000
1962 · Adel
USGS Topo · 1:250,000
1967 · Flook Lake
USGS Topo · 1:24,000
1967 · Alger Lake
USGS Topo · 1:24,000
1967 · Swede Knoll
USGS Topo · 1:24,000
1971 · Beatys Butte
USGS Topo · 1:24,000
1971 · Mahogany Butte
USGS Topo · 1:24,000
1971 · Murphy Waterholes
USGS Topo · 1:24,000