PLATE 23. 
Sectioji o/^the Indiun Pond Ore bed. 
4 
I & 
Fig.l. 
S e otion o/'L eedsviUe ^odmenza. 
Fi 4.3 
h \aS. 
\ X X ■ 
a, Mica Slate. LJLitne stone, o, Quaternary. 
Section od the odmenia^ Ore-6 ed. ^ 
Fi 4 . 2 . 
a, Decomposed Mack Slate & Eartti;. 
b, Hematitic Iron Or©. 
c, Alluvion. 
d, Slate, fblachi^h micaceous & talcj/.J 
e, Lime-stone, f n'hitish hluish & Scendj'.J 
f, (whitej 
Section of thetedncra/n.Zead-mine 
Columbia Co. 
Fi 4.4 
S ection of Prjian^etPoohee's fedd mines, 
170 JVorth JEast Dutchess Co. 
Fig,. 5 . 
fateral dislocations odiLimestone. Client, Col. Co. 
Fig. 6 . 
Section of the Sti^eesant Quarries Colu-mbioc Co. 
Fig. 8. 
Section S.ofPedroclc ColuTutia. 
Fig. 7 . 
a, Slate interstratified with Dimestorie - 
b, Greenish Slate containing carbonate of lime. 
c, c,c,Limestone breccias. 
d, Slate. 
©, Crjstalline calciferoiis Grit. 
£,■ Peatbog, 
4’ Grit Slate. 
oS G.Undtcott.Al.rorlc. 
