Zillah serves as the primary hub in this portion of the Yakima Valley, where the transition from irrigated agricultural land to the arid uplands is clearly defined. The lower elevations are marked by an intricate network of waterways, including the Sunnyside Canal and Roza Wasteway Number 4, which sustain the local orchards and fields. To the north, the terrain rises sharply into the Rattlesnake Hills, punctuated by landmarks such as Zillah Peak and Eagle Peak. These heights separate the valley floor from the Moxee Valley further north. This landscape illustrates the critical role of water management in Washington's interior, as the geometric grid of farm roads like Ross Morris Rd and Houghton Rd gives way to the natural contours of Whiskey Canyon and Racehorse Canyon. Local aviation and regional infrastructure are represented by Mc Mahon Field, located just outside the main residential area.
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1910 · Zillah
USGS Topo · 1:125,000
1936 · Yakima East
USGS Topo · 1:48,000
1936 · Hog Ranch Buttes
USGS Topo · 1:48,000
1941 · Black Rock Spring
USGS Topo · 1:62,500
1941 · Yakima East
USGS Topo · 1:62,500
1950 · Yakima
USGS Topo · 1:250,000
1953 · Black Rock Spring SW
USGS Topo · 1:24,000
1953 · Elephant Mountain
USGS Topo · 1:24,000
1953 · Black Rock Spring
USGS Topo · 1:24,000
1953 · Black Rock Spring
USGS Topo · 1:62,500