UNITED STATES
DEPARTMENT OF THE INTERIOR
NATIONAL PARK SERVICE
Region III
Santa Fe, New Mexico.

CONTENTS COVER Region III Headquarters, Santa Fe, New Mexico FRANKLIN K. LANE Page 2. THE REGION III QUARTERLY By Hillory A. Tolson . . . . . Page 3. WHAT MADE GRAND CANYON? By Dr. Charles N. Gould . . . . . Page 4. THREATENING ROCK By James B. Hamilton . . . . . Page 8. MODERN MAN AND THE PRIMITIVE AREA By Dr. W. B. McDougall . . . . . Page 11. THE CAVALCADE OF THE SOUTHWEST By Dr. Aubrey Neasham . . . . . Page 15. THE MEANING OF ARCHAEOLOGY By Erik K. Reed . . . . . Page 18. PINON-JUNIPER FORESTS By W. Ward Yeager . . . . . Page 21. TUMACACORI MUSEUM DEDICATION Page 24. The contents of the Region III Quarterly are not copyrighted. Other publications are at liberty to quote from, or reprint, the articles when proper credit is given. Hillory A. Tolson Leo A. McClatchy Cecil J. Doty Regional Director Editor Art Editor Santa Fe New Mexico

REGION III

ARIZONA - ARKANSAS - NEW MEXICO
OKLAHOMA - TEXAS AND SOUTHERN
PARTS OF COLORADO - NEVADA
AND UTAH