
Old Mullan Road cuts a historic path through this landscape, tracing the path of the first major military wagon road in the Pacific Northwest. This survey reflects a region defined by its rugged topography and transportation network, where the Burlington Northern Pacific railroad follows the winding course of Cow Creek toward its confluence with the Palouse River. The settlement of Hooper serves as a focal point near the county line, accompanied by Hooper Junction and the Hooper (Siding), highlighting the area's significance as a rail corridor.
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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