SMITHSONIAN INSTITUTION 
UNITED STATES NATIONAL MUSEUM 
Bulletin 102, Part 3 
THE MINERAL INDUSTRIES OF 
THE UNITED STATES 
SULPHUR: AN EXAMPLE OF INDUSTRIAL INDEPENDENCE 
BY 
JOSEPH E. POGUE 
Of the Division of Mineral Technology 
United States National Museum 
BUiSpAU OF 
ETHNOLOGY 
NQf > j 1917 
flpIBKARY 
fh 
in 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1917. 
