James Hall, State Geologist, 



Sir : — The accompanying report on the talc industry of St. Lawrence 

 county embraces certain results of my investigations in this region which it 

 has seemed well to bring together in a special chapter. 



Respectfully yours, 



C. H. SMYTH, Jk. 

 Hamilton College, Clinton, N. Y., February 27, 1896. 



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