Second Knolls rises above a landscape defined by ranching infrastructure and intermittent water sources in Navajo County. This area reveals a network of windmills and water management essential for high-desert survival, including the Sevenmile Windmill, Sixmile Windmill, and Four Section Windmill. The presence of the John Hunt Cabin near the western edge of the sheet suggests early homesteading or seasonal ranching use, while the Ninemile Corral at the northern boundary points to the area's ongoing importance for livestock management.
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1886 · Holbrook
USGS Topo · 1:250,000
1893 · Holbrook
USGS Topo · 1:250,000
1954 · Holbrook
USGS Topo · 1:250,000
1957 · Holbrook
USGS Topo · 1:250,000
1958 · Holbrook
USGS Topo · 1:250,000
1960 · Holbrook
USGS Topo · 1:250,000
1961 · Clay Springs
USGS Topo · 1:62,500
1970 · Cactus Flat
USGS Topo · 1:24,000
1970 · Taylor
USGS Topo · 1:24,000
1970 · Second Knolls
USGS Topo · 1:24,000