The National Geographic Magazine, September 1925, VolumeXLVIII, Number Three, an original article by Joseph F. Rock.

Included in this issue are:
Everyday Life in Pueblo Bonito with 38 Illustrations by Neil M. Judd;
Exploring in the Canyon of Death with 24 Illustrations by Earl H. Morris;
Canyons and Cacti of the American Southwest with 22 Natural Color Photographs by Edwin L. Wisherd and Jacob Gayer;
New Discoveries in Carlsbad Cavern with 11 illustrations by Willis T. Lee;
Bats of the Carlsbad Cavern with 17 illustrations by Vernon Bailey;
Experiences of a Lone Geographer with 17 illustrations by Joseph F. Rock;
Scientific Aspects of the MacMilla Expedition with 5 Illustrations 

A full issue. grubby cover, otherwise in good condition.