BULLETIN NO. 243 PL. XV 
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LEGEND 
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Dewtstown limestone 
rind shales 
Cambro -Ordovician 
li mestones 
hicluAing t?ie T/enttm 
Unicsiotn 1 'hcii- 
tnat/iicsnui i (Vit1 the 
Kit/alhi/ni cr h'lir.r 
linn sic ii i i mnifii rsnt/i i 
VIRGINIA, MARYLAND, AND PAKT W PENNSYLVANIA 
