PENNSYLVANIA. 



101 



102. A remarkable fault in the 11 b. Chemung rocks in the Wysox Narrows. It slants up the 

 hill-side and may be studied on the R. R. and on the common road 200 feet above. The centre line 

 of the Towanda anticlinal crosses the river at the northern end of this cliff, 1,050 feet above the 

 fault. 



103. Fine cliffs, " The Red Rocks," just north of the fault and east from Wysauking station. 

 Chemung fossils. Aleo another cliff directly opposite Towanda on east side of the river. Going 

 north no such precipices are seen, the Chemung shales forming hills with rounded summits. Good 

 view of Towanda village from the railroad. Boulders of white limestone from. Central New York 

 found in the river were formerly burnt for lime. Picturesque view at Ulster Narrows. 



104. Mammoth and other anthracite beds mined extensively along this road. 



105. In the centre of the Shamokin group of 3 anthracite sub-basins. 



106. Barclay or Towanda C. Co. 1 8 and Schroeder Mines on the top of the Towanda Mountain, 

 1,300 feet above the river at Towanda. Incline plane. High falls. Profound gorges splitting the 

 mountain. Laurel swamps. Semi-bituminous coal. 



107. Beautiful ravine of the Wissahiccon to the east, deeply trenching the Azoic belt. 

 Serpentine and soapstone quarries 2 miles above Manyunk. 



108. Trap, marble, near. 



109. On south edge of the Trias country. Bone cavern in limestone quarry near Port Kennedy 

 studied by Dr. Leidy and Prof. Cope. 



110. Ditto. The hill back of it is the east end of the ridge of Potsdam sandstone forming the 

 north wall of the Chester Valley far to the southwest. Under its north flank come up the Azoic. 



111. In the tunnel here Mr. Wheatly found his coal plants (Trias) and reptile bones. Two miles 

 southwest runs the edge of the Trias, with breccias, copper veins, on Azoic. Trias continues hence 

 to near Reading. Mr. Wheatley has his collection here. 



112. Trap hills to the north. 



