Bulletin No. 271 
Series 6, Miscellaneous, 29 
DEPARTMENT OF THE INTERIOR 
UNITED STATES GEOLOGICAL SURVEY 
CHARLES D. WALCOTT, Director 
BIBLIOGRAPHY AND INDEX 
OF 
NORTH AMERICAN GEOLOGY, PALEONTOLOGY, 
PETROLOGY, AND MINERALOGY 
FOR 
THE YEAR 1904 
BY 
FBED BOUG-HTON -W^EIEIKIS 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
19 05 
