720 



INDEX. 



Wiufl Eivcr Mouutains geology, 524 



Wind River Peak, 6(55 



Wind River Range, 45, 325 



Wind River Range, geology of, 64', 92 



Wind River Range, structure, 64 



Wolverine Creek, 338 



Wooster, L. C, fossils sent by, 266 



Wyoming Coal and Coking Co., 575 ■ 



Wyoming conglomerate, 113, 133 



Wyoming Mountains, 516 



Wyoming Peak, 513, 541, 668 



Wyoming Range, 512, 693 

 Wyoming Range, Carboniferous of, 617 

 Wyoming Range, geology of, 541, 543 

 Wyoming Range, Jura Trias in, 622 

 Yampa Valley, fossils from, 207 

 Yellow Butte, 652, 664 

 Young America Mine, 143 

 Zaphreniis, 536, 539, 546, 547, 548, 581, 584, 

 600, 609, 619 ' 



Zaplirentis stansburyi, 563 



4aS# 



