
Petrified Forest National Park boundaries define the southwestern and southern portions of this landscape, where the ephemeral flow of the Puerco River meanders across the high desert terrain. The arid character of the region is evident in the numerous water tanks scattered across the landscape, including Alley Way Tank, Rock Bottom Tank, and Last Chance Tank. These features, alongside Saddle Horse Draw, indicate the critical role of water management in a region where natural flow is seasonal and unpredictable.
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1886 · St Johns
USGS Topo · 1:250,000
1886 · Fort Defiance
USGS Topo · 1:250,000
1892 · Fort Defiance
USGS Topo · 1:250,000
1892 · St Johns
USGS Topo · 1:250,000
1912 · Petrified Forest
USGS Topo · 1:62,500
1954 · Saint Johns
USGS Topo · 1:250,000
1954 · Gallup
USGS Topo · 1:250,000
1955 · Petrified Forest
USGS Topo · 1:62,500
1956 · Adamana 1 NW
USGS Topo · 1:24,000
1957 · Saint Johns
USGS Topo · 1:250,000