Alto and Relief are the primary points of interest in this section of Columbia County, where the landscape is defined by deeply carved hollows and narrow creek drainages. The settlement at Alto sits near the confluence of local routes like Mc Kay Alto Rd and Balch Rd, while McKay Hollow and Smith Hollow carve distinct paths through the high ground. The drainage network is led by Kellogg Cr and McKay Cr, which dictate the placement of the area's winding road system. A network of rural connectors, including Kellogg Hollow Rd and Pettichord Rd, provides a clear view of how agricultural or ranching access was maintained between these remote plateaus and valley floors.
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1919 · Walla Walla
USGS Topo · 1:125,000
1921 · Walla Walla
USGS Topo · 1:125,000
1937 · Pomeroy
USGS Topo · 1:96,000
1942 · Pomeroy
USGS Topo · 1:125,000
1948 · Starbuck
USGS Topo · 1:62,500
1950 · Starbuck
USGS Topo · 1:62,500
1950 · Hay
USGS Topo · 1:62,500
1952 · Hay
USGS Topo · 1:62,500
1953 · Walla Walla
USGS Topo · 1:250,000
1955 · Pullman
USGS Topo · 1:250,000