| UNITED STATESDEPARTMENT OF THE INTERIOR
 RAY LYMAN WILBUR, Secretary
 NATIONAL PARK SERVICEHORACE M. ALBRIGHT, Director
 
 
RESEARCH AND EDUCATIONIN THE NATIONAL PARKS
 ByHAROLD C. BRYANT
 and
 WALLACE W. ATWOOD, Jr.
 
 
 
 
 UNITED STATES
 GOVERNMENT PRINTING OFFICE
 WASHINGTON: 1932
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