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Volume 8, Number 4
July 1933

National Park Service
Grand Canyon National Park
Grand Canyon Natural
History Association

This publication is issued monthly for the purpose of recording observations and of making known the results of research and scientific investigation in the Grand Canyon region in the fields of natural history, history and related subjects. It is published by the Natural History Association for the Grand Canyon National Park. Membership in this Association is $1.00 per year and includes a subscription to Nature Notes, Additional copies of Nature Notes may be obtained at 10¢ each by addressing The Grand Canyon Natural History Association, Grand Canyon, Arizona.

M. R. Tillotson,
Edwin D. McKee,
Park Naturalist

Table of Contents

Toroweap - The New Grand Canyon National Monument
     Ben H. Thompson, Wild Life Division, National Park Service.

Over Abundant Chipmunks
     Barbara R. McKee, Grand Canyon.

Some Jaspers of Grand Canyon and Their Significance
     Edwin D. McKee, Park Naturalist.

Illustrations by Florence Satterwhite.

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