FIELD BOOK 
of 
Practical Mineralogy 
How to Examine 
and Report on Mines 
Designed for the Use of 
Prospectors, Mining Men, Engineers, 
and Others - 
BY 
G..W. MILLER, E. M., C; E. 
SECOND EDITION 
THE PUBLISHERS PRESS ROOM COMPANY, 
1742-1748 STOUT STREET 
DENVER, COLO. 
1902 
