152 



Tht Badland Formations of the Black Hillfe Region 







Page 



51, 55, 56, 61, 62, 63 



, 64 



, 85 



White river formations 



(or 



group) 





25 



29, 31, 32, 33, 34, 



39, 



42 



White River table 





63 



White Water creek . . . 





62 



White Water wall 





62 



Wieland, Geo. R 





119 



Wind action 





61 



W'Ortman, J. L 





34 



38, 39, 77, 79, 91, 



92 



, 93 



94, 96, 101, 107, 



109 



, 110 



113, 116, 117, 118, 



138 



, 139 



Wounded Knee creek . 





62 



Page 

 Wyoming 12, 2 0, 22 



36, 41, 51, 87, 109, 110, 118 



Xenochelys 119, 134 



Yale scientific expedition. . . 

 Yale University. ... 45, 94, 

 Yellow Medicine creek 



18 



103 



62 



Ziebach county '49 



^ 



01277 



© 



