“BOT 
Bulletin of the Museum of Comparative Zodlogy 
. AT HARVARD COLLEGE. 
Vou. XLIX. 
GEOLOGICAL SERIES, Vol. VIII, No. 5. 
AN OCCURRENCE OF HARNEY GRANITE IN THE 
NORTHERN BLACK HIELS. 
By Henry G. Ferauson AND Fremont N. TURGEON. 
Wiru THREE PLATES. 
CAMBRIDGE, MASS., U. $. A.: 
PRINTED FOR THE MUSEUM. 
~ FEBRUARY, 1908. 
