State Route 75 – Greenlee County AZ
The federal Works Progress Administration (WPA) developed Arizona Highway 75 in Greenlee County during the 1930s.
Upper Gila River Valley Erosion Control Project – Greenlee County AZ
“The Black Hills Back Country Byway offers both outstanding scenery in the Peloncillo Mountains and some great examples of erosion control devices constructed by the Civilian Conservation Corps. The Gila River area was identified in 1934 as a Soil Conservation… read more