MARYLAND GEOLOGICAL SURVEY 



CAMBRIAN AND ORDOVICIAN, PLATE XIV 



no. 1. VIEW OF A WEATHERED OUTCROP OF THE UPPER STONEHENGE LIMESTONE, EASTERN 

 EDGE OF HAGERSTOWN, MARYLAND. 



2. VIEW TAKEN FROM HILL OF UPPER STONEHENGE LIMESTONE, EASTERN EDGE OF 



HAGERSTOWN, MARYLAND, LOOKING EAST, SHOWING EFFECT OF WEATHERING OF THE 

 VARIOUS FORMATIONS UPON TOPOGRAPHY. THE VALLEY IN THE FOREGROUND IS IN THE 

 LOWER STONEHENGE PURE LIMESTONE WHILE THE RIDGE IS FORMED OF THE SILICEOUS, MORE 

 RESISTANT UPPER STONEHENGE. SOUTH MOUNTAIN IS SEEN IN THE DISTANCE. 



