
Valentine Ridge and Alpowa Ridge dominate this high-relief landscape in southeast Washington, where deep-cut drainages reveal the intricate water patterns of Garfield and Asotin counties in the early 1970s. The terrain is defined by a series of steep gulches including Deadman Gulch, Clayton Gulch, and Pow Wah Kee Gulch, which feed into the primary drainage of Alpowa Creek. Human intervention is sparse and dictated by the geography, visible in the winding ascent of Howell Grade and the occasional Borrow Pit or Gravel Pit along the creek. Family names and local identifiers such as Megginson Gulch and Fierchinger Ridge suggest the deep-rooted agricultural and ranching history of the area. This topographic record captures the region just before modern developments, showing a network of Jeep Trails and Warm Springs that highlight the isolation of these high plateaus.
21 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.
1910 · Pullman
USGS Topo · 1:125,000
1943 · Peola
USGS Topo · 1:62,500
1945 · Clarkston
USGS Topo · 1:62,500
1946 · Peola
USGS Topo · 1:62,500
1948 · Clarkston
USGS Topo · 1:62,500
1955 · Pullman
USGS Topo · 1:250,000
1958 · Pullman
USGS Topo · 1:250,000
1964 · Kirby
USGS Topo · 1:24,000
1964 · Colton
USGS Topo · 1:24,000
1964 · Bishop
USGS Topo · 1:24,000