Petroglyphs, created by the prehistoric Hohokam people, about 1000 years ago, West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America

Petroglyphs, created by the prehistoric Hohokam people, about 1000 years ago, West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America

Petroglyphs, created by the prehistoric Hohokam people, about 1000 years ago, West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America

Caliche walls made from limy subsoil, not adobe, dating from 14th century, Casa Grande, Hohokam Indians, Arizona, United States of America (U.S.A.), North America.

Hohokam petroglyph in the Saguaro National Monument, Arizona,