Indian paintings on rocks. Series of Woodcuts: "Sculptured Rocks, River Gila."
Sculptured Rocks, River Gila. No. 1. 1850. From Rice University http://hdl.handle.net/1911/35649.
Image taken from larger work: "Personal narrative of explorations and incidents in Texas, New Mexico, California, Sonora, and Chihuahua, volume 2: Connected with the United States and Mexican Boundary Commission, during the years 1850, '51, '52 and '53" http://hdl.handle.net/1911/27279