- Camp Washington1
- Canelo Hills1
- Canyon near Museum Colton's Coyote Ranch1
- Canyon near Museum, Colton's "Coyote Ranch"1
- Canyon near museum, Colton's "Coyote Ranch,"1
- Canyon north of road to house, Colton's "Coyote Ranch"1
- Canyon of the Colorado1
- Canyon of the Colorado Lake Mead, Camp two miles above Emery Falls.1
- Canyon of the Colorado, Havasupai Canyon1
- Canyon of the Colorado, Havasupai Canyon, in flowing spring and in spray of waterfalls1
- Canyon of the Colorado, Havasupai Canyon.1
- Canyon south of road near house; Colton's "Coyote Ranch"1
- Canyon south of road, Colton's "Coyote Ranch"1
- Canyon south of road, Colton's "Coyote Ranch,"1
- Canyon south of road. Colton's "Coyote Ranch"1
- Carr's Canyon1
- Cat Pass, Tucson Mts1
- Cave Creek Canyon, Chiricahua Mts.1
- Cave Creek, vicinity of headquarters, Southwestern Research Station, east slope of Chiricahua Mountains 5 miles west of Portal1
- Chiricahua Mts., Barfoot Park1