
Washtucna Coulee dominates this eastern Washington landscape, carved through the basalt by ancient floodwaters to form a wide valley utilized by major transportation corridors. The parallel routes of the Burlington Northern and Union Pacific railroads demonstrate the coulee's strategic importance for regional freight, punctuated by small transit points like Sperry and McAdam. At Sperry, prominent Grain Elevators mark the intersection of rail infrastructure and the surrounding wheat-growing economy. To the southwest, the terrain shifts near Lake Kahlotus and the small settlement of Harder, where a Cem and Harder Spring identify long-established local holdings. Away from the coulee floor, the map shows a network of family-named roads such as Suko Road and Wilder Road, reflecting the rural distribution of farmsteads like Nunnamaker Farm across the high plateaus of Adams and Franklin counties.
36 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.
1916 · Connell
USGS Topo · 1:125,000
1918 · Connell
USGS Topo · 1:125,000
1923 · Washtucna
USGS Topo · 1:62,500
1925 · Washtucna
USGS Topo · 1:62,500
1948 · Ayer
USGS Topo · 1:62,500
1950 · Haas
USGS Topo · 1:62,500
1953 · Walla Walla
USGS Topo · 1:250,000
1958 · Walla Walla
USGS Topo · 1:250,000
1970 · Lower Monumental Dam
USGS Topo · 1:24,000
1970 · Lind SE
USGS Topo · 1:24,000