U.S. Geological Survey. 



Plate LXa. 



Carb. Jura Trio 



Sov.il, West E C 



Jura. Trias . 



A Sectiorv Unes AB r ¥c, are laid down, on, Map in Plate LXIV. 



Jura Triixs 



Sections irvthe SlcuiKfoot Basirv. 



