Smithsonian Report, 1 91 5.— Walcott, 



Plate 7. 



View Showing Massive Character of Cambro-Ordovician Limestone, in Broad 

 Syncline East of Yau-T'ou Coal Field, Province of Shan-si, China. 



On the T'ai-shan-ho 4 miles 

 han-si. (After Willis, 

 •) 



Illustrates abrupt walls of recent canyons cut in heavy ^'^%trae On the Tja^shan^^^^^ 

 southwest of Shi-pan-k'6n, in the district of \Vu-t'ai-hi(^n, Province of Shan-si. (Alter v>i 

 S^ ' "li; ^„ rhiria Pnh No. 54 Oarneeie Institution of Washington, 100/.) 



Research in China, Pub. No. 54, Carnegie Institution of Washingt( 



