■\'IU(iINIA (iEOLOOIf'AL SITRVEY. 



TLATE VIII. 



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ClilV n-av ^".ila ; w n. \,,\k Kiv.T. Slidwiii-' indurated calfarpoiis heds of flic Y, 

 lowii fi)riiiati(m. 



INDURATED CALCAREOUS BEDS OF YORKTOWN FORMATION. 



