Proc, Amer. Pliilos, Soc, Vol. Till h, 125, p, Bl. 



Fig. 1.— After Lesley ; Ideal cross-section showing the downthrows. 



Fig. 2.— Section through Kent's Station on Norfolk and Western Railroad, a, Wytheville syn- 

 clinal ; b, Wytheville anticlinal; c, Lick Mt. anticlinal;/, Draper Mountain fault; 0, Lower 

 Silurian ; 7, Cambrian. 



Fig. 3.— Near line between Wythe and Pulaski counties, n. Draper Mt. ; /, Draper Mt. fault; 

 /I, Max Meado\v.s fault ; 3, Lower Carboniferous ; 6, Lower Silurian ; 7, Cambrian. 



Fig. 4.— On Pulaski road, a. Draper IMt.: h. Draper Valley . c. Macadam road ; /, Draper Mt. 

 fault; 4, Devonian ; G, Lower Silurian ; 7, Cambrian. 



