r 
14. 
Hard,compact gray sandstone,in evenly-bedded layers of 
six inches t© three feet in thickness^T faan y i s^typical 
Potsdam sandstone.^ Top^-i-s^near crossing of private 
roadway,. . . . . (k- i iv r^'i ; 
59. 
15. 
Sandstones similar to 14,but with a few alternating cal¬ 
careous layers; the calcareous matter decomposing and 
leaving streaks of reddish and brown rocks in the lay- 
ers^ Ripple marks occur on the surface of many layers, 
^tEna Annelid trails on the calcareous strata . About 
thirty feet up found P alaeacmea typ ic a,H .k W. 
Strike,25° E.; dip,10° E. 
The light-gray compact 1iraestone,with the little flat¬ 
tened concretions of clay and the cross-bedding ,give 
this portion of the section a striking resemblance to ... 
that of ti e upper 150 feet of the Keeseville seetion.(^113. 
i • * 
Lead-colored calciferous sandstone,weathering rough. 5. 
1 
Alternating,gray,compacts fine-grained sandstone, red¬ 
dish coarse sandstone and finer calcareous sandy lay¬ 
ers . 
Ling ulepis antiqua and Pty ch o p ar ia sp.? occur in the 
upper’layers.about forty feet up. 
— . 
. *v- : i 
70. 
; V- 
Calciferous. 
t-- * * •» 
i T _ !• 
18. 
40. 
Calciferous sandstone,with a massive bedded,1ight-gray, 
compact sandstoneat top 10 feet thick. 
The upper thirty feet of 17 and all of 18 may be 
considered as the passage beds to the Calciferous 
sandstone above, ..... 
1. Lead-colored.massive-bedded,calciferous sandstone,. . 230. 
i >* f 
2. Lead-co]ored.brecciated limestone overlain by a compact 
light-gray limestone, . 20. 
* r . 250*. 
