290 
GEOLOGY OF THE FOURTH DISTRICT. 
the sides, where they are sustained in the deep soil, supporting the huge growth above upon 
an almost barren rock. 
138 . 
View in Rock city, seven miles south of EUicottville. From a sketch by Mr. E. N. Horsford. 
The masses present the same features as before described, and offer fine exhibitions of 
the diagonal lamination and contorted seams of iron ore. The rectangular blocks are from 
thirty to thirty-five feet in thickness, and standing regularly arranged along the line of out¬ 
crop, present an imposing appearance, and justify the application of the name it has received. 
Near Judge Wright’s, a few miles southeast of EUicottville, the conglomerate appears on 
the tops of two hills, separated from each other by an east and west valley. It also appears 
between Napoli and Little-valley, and at another point between the latter place and Great- 
valley. There are also several places on the south side of the Allegany, where it appears 
on the tops of some of the highest hills. In all, except two or three of the localities enume¬ 
rated, the rock appears in scattered blocks. 
In Chautauque county there are numerous localities where this rock appears, either in situ 
or in scattered masses. It is frequently nearly free from pebbles, and furnishes a good quarry 
stone. The principal places where it has been quarried, are upon the top of a hill two miles 
west of Ashville ; at Williams’s quarry four miles north of Panama, and at another place 
one mile north of the latter. At Panama, the conglomerate in huge masses lies along the 
eastern slope of the hill, and upon both sides of the stream. It rests upon the soft green shale 
