Bulletin No. 250 
Q Pr ;^ ' A > Economic Geology, 43 
^ enes \ B, Lescriptive Geology, 54 
DEPARTMENT OF THE INTERIOR 
UNITED STATES GEOLOGICAL SURVEY 
CHARLES D. WALCOTT, Director 
THE PETROLEUM FIELDS OF THE PACIFIC COAST OF ALASKA 
WITH AN ACCOUNT OF THE BERING RIVER COAL DEPOSITS 
GEORGE C. MARTIN 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
19 05 
