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Climatic Change Considered As The Major Factor In The Abandonment Of The Grand Canyon Region, Paulette Fern Rayel

Masters Theses

Introduction

Grand Canyon National Park comprises 1009 square miles of contrasting life zones and landscapes, with elevations ranging from 2500 feet at the Colorado River to more than 9000 feet of the North Rim. This area includes 117 miles of the Canyon, part of the Kaibab Plateua known as the North Rim and part of the Coconino Plateau or South Rim. Both formations are included in the Colorado Plateau (See Figures 1 and 2).

Archaeological evidence indicates that prehistoric agriculturalists - the Cohonina peoples and later the Anasazi - resided in the area from circa A. D. 700 until A. …