Grand Canyon of Arizona : being a book of words from many pens, about the Grand Canyon of the Colorado River in Arizona (1906)
[Place of publication not identified] : Passenger Dept. of the Santa Fe · leaf 34
ed by another set of complicating conditions. We have now reached a region of volcanic activity. After the canyons were cut nearly to their present depth, lavas poured out and volcanoes were built on the walls of the canyon, but not in the canyon itself, though at places rivers of molten rock… … THE VIEW EAST FROM HOPI (ROWE’s) POINT. Photo, W. u. Simpson. 3°
Grand Canyon (Ariz.)
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
