﻿Plate 17 



Quarry in the upper Pamelia formation, by the river 4 miles west of 

 Clayton; alternating beds of dove limestone, and whitish, earthy lime- 

 stone. The upper view is a somewhat more distant one showing a greater 

 thickness of the upper beds. Photo (upper) by H. M. Ami and (lower) 

 by E. O. Ulrich, 1908 



