Elevation Benchmark near the Grand Canyon Boundary Road.
Tags: arizona,benchmark,coconino county,grand canyon national park,grand canyon preserve national game refuge,kaibab national forest,point 6412,tusayan ranger district,usgs

1961 Benchmark.
Tags: arizona,barry goldwater range,barry m goldwater range,benchmark,el camino del diablo,tinajas altas,tinajas altas mountains,yuma county