
The Esquatzel Coulee defines the landscape of Franklin County in the late 1970s, illustrating the complex intersection of natural geology and large-scale irrigation engineering. This survey reveals a meticulously managed desert environment where the Eltopia Branch Canal, Northern Diversion Channel, and various Siphons facilitate agriculture across the arid plateau. The transportation and industrial backbone of the region is anchored by the Burlington Northern railroad corridor, which runs parallel to the coulee toward the southern hub.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Wallulah
USGS Topo · 1:96,000
1917 · Pasco
USGS Topo · 1:125,000
1918 · Wallula
USGS Topo · 1:125,000
1953 · Walla Walla
USGS Topo · 1:250,000
1958 · Walla Walla
USGS Topo · 1:250,000
1963 · Rye Grass Coulee
USGS Topo · 1:24,000
1964 · Levey SW
USGS Topo · 1:24,000
1964 · Humorist
USGS Topo · 1:24,000
1964 · Kennewick
USGS Topo · 1:24,000
1964 · Pasco
USGS Topo · 1:62,500