Pl.ATK 3. 
Fi^. 1. 
(Joological Section, o-n^ the Islanct of -Veie-iork parallel to the strike^ of the otrala fram near SO ’'Street an the 
, M>rth tolffrooklyr/ Heights on the South ehewln^ the depths of earth and rook perforated m iorlrip wells. 
Section perpendicular to the strike; across the Tslaetd oftA^w-York, skewing the- depth-to the rook. 
Fi^. 3. 
Hudson Slate-rooks. 
Bands of Slaty gi-it If^ to linoJi. 
alternating with Slate & Shale. 
J. Wickmin’s ^uarrp, nr.fl, of fansinp;hurph, fensse-laei'' Off. off. 
