
The Yakima River snakes through this irrigated landscape, marking the transition from the fertile valley floor to the rising elevations of the Horse Heaven Hills. This 2023 survey illustrates an intricate network of water management, including the Mabton West Lateral, Rocky Ford Lateral, and Mathieson Lateral, which sustain the region's agricultural character. Near the river, the Sunnyside Waterfowl Management Area and Byron Ponds provide a contrast to the geometric grid of roads and farms.
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This is the sole edition of this map. No revisions or reprints were ever made.
1910 · Zillah
USGS Topo · 1:125,000
1915 · Prosser
USGS Topo · 1:125,000
1917 · Prosser
USGS Topo · 1:125,000
1950 · Yakima
USGS Topo · 1:250,000
1950 · Grandview
USGS Topo · 1:62,500
1951 · Grandview
USGS Topo · 1:62,500
1953 · Walla Walla
USGS Topo · 1:250,000
1955 · Prosser SW
USGS Topo · 1:24,000
1958 · Walla Walla
USGS Topo · 1:250,000
1958 · Yakima
USGS Topo · 1:250,000