LIBRARY CATALOGUE SLIPS. 
[Mount each slip upon a separate card, placing the subject at the 
top of the second slip. The name of the series should not be 
repeated on the series card, but add the additional numbers, as 
received, to the first entry.] 
U. S. Geological survey. 
. . . Contributions to economic geology, 1902. 
S. F. Emmons [and] C. W. Hayes geologists in 
charge. Washington, Gov't print, off., 1903. 
449, III p. 23 cm . (Bulletin no. 213.) 
Contains contributions by various members of the survey. A 
list of previous publications by the survey on each subject is given. 
Subject series A, Economic geology, 24. 
U. S. Geological survey. 
. . . Contributions to economic geology, 1902. 
S. F. Emmons [and] C. W. Hayes geologists in 
charge. Washington, Gov't print, off., 1903. 
449, III p. 23 cm . (Bulletin no. 213.) 
Contains contributions by various members of the survey. A 
list of previous publications by the survey on each subject is given. 
Subject series A, Economic geology, 24. 
U. S. Geological survey. 
Bulletins, 
no. 213. Contributions to economic geology, 1902. 
1903. 
U. S. Dept. of the Interior. 
see also 
U. S. Geological survey. 
in 
