Washtucna anchors the southern portion of this landscape, situated at the confluence of several significant geographical features in Adams County. The town is flanked by the distinct formations of Washtucna Coulee and Staley Coulee, which characterize the region's unique Channeled Scablands topography. To the north, the terrain transitions into the broad expanse of Rattlesnake Flat, where the Kinch Farms Airport serves the local agricultural community. Water sources in this arid environment are notable landmarks, including the seasonal Rattlesnake Lake and Bell Lake, along with Bassett Spring. The area's development is defined by a grid of rural roads like Sage RD and Benge-Washtucna RD that connect these remote drainage features and farmsteads. This 2017 survey provides a clear view of how modern ranching and aviation have adapted to the ancient, eroded paths of Collier Coulee.
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This is the sole edition of this map. No revisions or reprints were ever made.
1923 · Washtucna
USGS Topo · 1:62,500
1925 · Washtucna
USGS Topo · 1:62,500
1948 · Starbuck
USGS Topo · 1:62,500
1948 · Ayer
USGS Topo · 1:62,500
1950 · Starbuck
USGS Topo · 1:62,500
1950 · Haas
USGS Topo · 1:62,500
1950 · Benge
USGS Topo · 1:62,500
1952 · Benge
USGS Topo · 1:62,500
1953 · Walla Walla
USGS Topo · 1:250,000
1958 · Walla Walla
USGS Topo · 1:250,000