\j; / v \j 
UNITED STATES GEOLOGICAL SURVEY 
CHARLES D. WALCOTT, DIRECTOR 
i :n~ x) e x 
TO 
AMERICAN GEOLOGY, PALEONTOLOGY, PETROLOGY, 
AND MINERALOGY 
FOR 
THE YEARS 1892-1900, INCLUSIVE 
BY 
FKKI) i;or(;UTO]S WEEKS 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1902 
