United States, Arizona, Pima County, Organ Pipe Cactus National Monument; Estes Canyon, Ajo Mts, about 0.3 mile upstream from parking area on the Ajo Mtn Drive.
32.01859 -112.7119 +-3m. WGS84
meters
734
Xeroriparian area along Estes Wash in the foothills of the Ajo Mts.