South Dakota School of Mines 



Bulletin No. 13. Plate No. 59. 



A. Geology class of South Dakota State School of Mines in Indian 



Creek Basin, 1900. 



Photograph by O'Harra. 



B. Geology class of South Dakota State School of Mines at top of Sheep 

 Mountain (Cedar Point) the highest part of the Big Badlands. 



