MARYLAND GEOLOGICAL SURVEY 



CAMBRIAN AND ORDOVICIAN, PLATE IV 



FlG. I. EXPOSURE OF TOMSTOWN LIMESTONE ALONG TROLLEY LINE JUST SOUTHEAST OF 

 WAGNERS CROSS ROAD, WASHINGTON COUNTY, MARYLAND, ILLUSTRATING WEATHERING OF 

 MASSIVE SHEARED LIMESTONE INTO SHALE FRAGMENTS. 



FlG. 2. LIMESTONE QUARRY AT CAVETOWN, MARYLAND, SHOWING TOMSTOWN LIMESTONE 

 FAULTED AGAINST WAYNESBORO SANDSTONE. 



