Bulletin  No.  30i  Series  G,  fiisManeous,  30 
DEPARTMENT  OF  THE  INTERIOR 
UNITED  STATES  GEOLOGICAIi  SUKVEY 
CHARLES  D.  WALCOTT,  DIRECTOR 
BIBLIOGRAPHY  AND  INDEX 
OF 
NORTH  AMERICAN  GEOLOGY,  PALEONTOLOGY 
PETROLOGY,  AND  MINERALOGY 
FOR 
THE  YEARS  1901-1905,  INCLUSIVE 
FHED    BOUGHTON   'WEEKS 
WASHINGTON 
GOVERNMENT    PRINTING    OP  F  ICE 
19  00 
