2^8 NEW YORK STATE MUSEUM 



232 Southeast corner of Clinton and ^vladison streets 



Surface elevation 2"^ feet 



This hole was reoccupied as no. 304 and penetrated the rock 

 floor at el. -y:^i feet 



The boring has not progressed far enough to recover identifi- 

 able material for rock fonnation 



211 East side of Clinton street south of ^ladison 



Surface elevation 24 



Rock floor elevation uncertain because of failure to recover 

 core and the obscurit}* of the material washed up. Inter- 

 bedded limestones and gneisses of Fordham series were 

 recognized from el. -336 feet to el. -6S0 feet 

 51 and 207 Henrv' street between Clinton and ]\lontgomery 



Surface elevation 32.4 feet 



Rock floor -214.6 feet. All badly decayed to great depth mostly 

 believed to belong to limestone and underlain by interbedded 

 Fordham gneiss at about -345 feet 

 221 Clinton street near Monroe street 



Surface elevation 22 feet 



Rock floor at el. -116 feet 



Fordham gneiss mostly ver\- sound, with some thin interbeds 

 of Hmestone at about el. -500 feet 



Dip of structure 45" to 80- 

 22^^ \\'est side of Qinton street north of South street 



Surface elevation 10 feet 



Rock floor at el. -}^~ feet 



Fordham gneiss in very sound condition showing structure at 

 60= to 90- 

 305 Southwest corner of Clinton and South streets 



Surface elevation 9 feet 



Rock floor at el. -50 feet 



Fordham gneiss with structure at 70° 



4 Montgomer}- and ^Madison streets 

 Surface elevation —32.5 feet 



Rock floor -6-^.^ feet. Fordham gneiss of granodiorite type 

 Two borings are of special interest and significance, and because 

 of the rarity of such details being recorded they are given more 

 fully below. 



