This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Foot of Toroweap Looking East by William Holmes. This panoramic view of the en Grand Canyon by en William Holmes was published in en Clarence Dutton's atlas to accompany the monograph on the Tertiary History of the Grand Caon District This map was made as part of governmentsponsored survey of the canyon which was the first attempt