
Volcanic geology dominates this corner of Malheur County, where the Saddle Butte Lava Field and the Saddle Butte Lava Tube reveal the area's igneous origins. The landscape is defined by high desert features like Chanis Rock and the prominent Wrangle Butte, situated above a network of seasonal drainages. Water management in this arid environment is evidenced by the Top Hat Reservoir, while natural water sources appear as isolated points such as Whiskey Spring and Tub Spring. The map traces the winding course of Ryegrass Creek and Bull Creek, providing essential landmarks for navigation across the basin. The lone established route, Tub Springs Rd, connects these remote natural features, cutting through the high plateaus and passing the distinct Chalk Basin at the northeastern edge of the survey.
17 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.
1955 · Jordan Valley
USGS Topo · 1:250,000
1955 · Boise
USGS Topo · 1:250,000
1957 · Jordan Valley
USGS Topo · 1:250,000
1958 · Boise
USGS Topo · 1:250,000
1958 · Jordan Valley
USGS Topo · 1:250,000
1962 · Boise
USGS Topo · 1:250,000
1972 · Wrangle Butte
USGS Topo · 1:24,000
1972 · Saddle Butte
USGS Topo · 1:24,000
1972 · Owyhee Butte
USGS Topo · 1:24,000
1972 · Lambert Rocks
USGS Topo · 1:24,000