DEPARTMENT OF THE INTERIOR 
UNITED STATES GEOLOGICAL SURVEY 
GEORGE OTIS SMITH, Director 
Bulletin 352 
GEOLOGIC RECONNAISSANCE 
OF A 
PART OF WESTERN ARIZONA 
BY 
WILLIS T. LEE 
WITH NOTKS ON THE 
IGNEOUS ROCKS OF WESTERN ARIZONA 
BY 
ALBERT JOHANNSEN 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
19 08 
