Royal City serves as the primary hub of this agricultural landscape in central Washington, positioned at the southern foot of the Frenchman Hills. The terrain is defined by its sophisticated irrigation network, designed to transform the arid Royal Slope into productive farmland. Large-scale water management is visible through the engineering of the West Canal, Royal Branch Canal, and the Crab Cr Lateral, which follow the natural contours of the land.
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This is the sole edition of this map. No revisions or reprints were ever made.
1909 · Quincy
USGS Topo · 1:62,500
1910 · Quincy
USGS Topo · 1:62,500
1910 · Winchester
USGS Topo · 1:62,500
1911 · Red Rock
USGS Topo · 1:62,500
1912 · Beverly
USGS Topo · 1:62,500
1950 · Smyrna
USGS Topo · 1:62,500
1951 · Smyrna
USGS Topo · 1:62,500
1953 · Walla Walla
USGS Topo · 1:250,000
1953 · Ritzville
USGS Topo · 1:250,000
1954 · Beverly NE
USGS Topo · 1:24,000