256 XEW YORK STATE MUSEUM 



208 Hester street east of Allen street 



Rock floor at about -145 feet 



Inwood limestone with structure at about 60 feet — 70° 



Enters fairly sound rock and has continued to over 600 feet 

 with dip as low as 20 ', toward the bottom 

 15 Delancey street near Ludlow 



Surface elevation ^"^.j feet 



Rock floor -106 feet. Pegmatite and Inwood limestone, mas- 

 sive and bedding obscure 

 217 Southwest corner of Ludlow and Hester streets 



Surface elevation 36 feet 



Rock floor at el. -128 feet 



Inwood limestone for more than a hundred feet succeeded by 

 thin strips of gneiss and limestone interpreted as inter- 

 bedded Fordham 

 222 Hester street west of Essex street 



Surface elevation 36.6 feet 



Rock floor at 61.-130.4 feet 



Fordham gneiss with interbedded limestone showing fair core 

 recovery below el. -400 feet 



Dip of rock structure about 60° 

 216 South side of Hester street between Essex and Suffolk streets 



Surface elevation 33 feet 



Rock floor at el. -167 feet 



Interbedded limestone and Fordham gneiss with a dip of ap- 

 proximately 45^ to el. -625 feet 



Core recovery was variable 

 8 Xorfolk and Grand streets 



Surface elevation 35.8 feet 



Rock floor -130 feet. Rock a close grained schistose limestone, 

 Inwood, showing foliation at about 45" 

 231 South side of Hester street opposite Xorfolk street 



Surface elevation 32 feet 



Rock floor at el. -103 feet 



Decayed gneiss and no core recovery to el. -300 feet. This 

 boring was continued as no. 303 under a subsequent con- 

 tract and carried to el. -^2^ feet with only a small recovery 

 of Fordham gneiss 



