White Swan serves as the central hub for this portion of the Yakama Reservation, where the flatlands of Medicine Valley and Yakima Valley meet. The landscape is defined by an intricate network of irrigation channels, including the Barney Pacific Lateral, Indian Lateral, and Ayres Lateral, which distribute water from Simcoe Cr and Toppenish Cr across the agricultural basin. These man-made waterways underscore the region's reliance on managed water systems to sustain its valley farms.
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1899 · Ellensburg
USGS Topo · 1:125,000
1901 · Ellensburg
USGS Topo · 1:125,000
1937 · White Swan
USGS Topo · 1:125,000
1950 · Yakima
USGS Topo · 1:250,000
1958 · Toppenish Mtn.
USGS Topo · 1:24,000
1958 · Harrah
USGS Topo · 1:24,000
1958 · Yakima West
USGS Topo · 1:24,000
1958 · Fort Simcoe
USGS Topo · 1:24,000
1958 · Fort Simcoe
USGS Topo · 1:62,500
1958 · Wiley City
USGS Topo · 1:24,000