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NEW YORK STATE MUSEUM 



present slopes, furnishing two exits. Such a method of procedure 

 is probably necessary to secure an amount of ore commensurate 

 with the mill capacity. 



The mill. The mill structure is the best constructed of those 

 visited by the writer. It is built of reinforced concrete and utilizes 

 the natural hill slope in gravity systems. The milling practice is 

 described in detail under the head of " Concentration " to which the 

 reader is referred. 







.05 .1 



i i i i i i i i i i i 



MILLIMETER 



GRAPHITE 



QUARTZ 



HI FELDSPAR .V^"Y\ 



Fig. 23 Camera-lucida drawing of microscopic thin 

 section of ore from the Flake Graphite Company's 

 mine, showing a graphite flake split into thin plates 

 bv the injection of pegmatite. Specimen No. 798. 

 Magnification X 430. H. L. Ailing, 1918. 



Future of the property. At the present time the Flake Graphite 

 Company is taking over the property of the Empire Company and 

 making changes in the mill equipment and organizing for active 

 operations in the near future, probably in the spring of 1918. 



In all probability there is a great supply of ore. The graphitic 



