DEPARTMENT OF THE INTERIOR 
UNITED STATES GEOLOGICAL SURVEY 
GEORGE OTIS SMITH, DIRECTOR 
Bulletin 371 
RECONNAISSANCE 
OF THE 
BOOK CLIFFS COAL FIELD 
BETWEEN GRAND RIVER, COLORADO 
AND SINNYSIDE, UTAH 
BY 
G. B. RICHARDSON 
WASHINGTON 
GOVERNMENT printing office 
* 1909 
