184 F 2 . BEPOET OF PROGRESS. E. W. CLAYPOLE. 



of the hills west of Bloomfield near Clark's mill for a mile 

 or so. 



(/) Near the ore banks of the old Juniata furnace is a 

 quarry in the lime-shales, of where may be seen 



5' 0" Rhynchonella beds, soft greenish shales. 



1' 0" Shaly limestone. 



1' 0" Solid limestone, silieified corals. 



5' 0" Rubbly limestone, no fossils distincc. 



2' 0" Murchisonia beds. 



2' 0" Solid limestone. 



7' 0" Thin-bedded shaly limestones with silieified Meristella 



laevis, Streptelasma. 

 3' 0" Lenticular limestone without fossils. 



(g) On the top of Limestone ridge, north of Mr. 0. Rice's 

 house, are some abandoned quarries, where may be seen 



6' 0" Rhynchonella beds, soft greenish shale. 



2' 0" as next below but thin bedded. 



1' 0" Limestone, fossils silieified. 



6' 0" Rubbly limestone with few fossils. 



1' 3" Murchisonia beds. 



V 0" Limestone, no fossils. 



The Oriskany sandstone, {No. VII.) 



No geological formation in Perry county can vie with 

 the Oriskany sandstone for picturesqueness. The smooth, 

 rounded outlines of the shale and limestone hills and great 

 valley are attractive and profitable to the farmer, but their 

 beauty is that of repose and quiet. The wild, rough, ragged, 

 and moss-covered pulpit rocks of this formation standing 

 up in long, narrow lines across the county, have a grandeur 

 and sometimes a majesty which can never be found in 

 smooth and cultivated ground. Perhaps no one of these 

 equals the well known Pulpit rocks of Warrior ridge near 

 Huntingdon, but those who explore the woods and wilder 

 parts of the county are well aware that they conceal dis- 

 plays of Oriskany pulpit rocks finer than any that can be 

 seen near the roads and other frequented places. 



The Oriskany sandstone in Centre township is thin, sel- 

 dom or never exceeding 20 feet in thickness. This thin- 

 ness prevents its forming high hills or mountains, such as 

 those made by the outcrop of the Medina and Hamilton 



