xviii F 3 . REPORT OF PROGRESS. E. W. CLAYPOLE. 



Page. 



VIIIc. Hamilton lower shale, 66 



Hamilton sandstone, 61 



Hamilton upper shale, 68 



VHId. Genessee group, 69 



YHIe. Portage group, . . 69 



VHIf. Chemung group, 70 



IX. Catskill formation, 72 



Fish beds, 73 



Kingsmill sandstone, 73 



Kingsmill shales, 77 



Bellville sandstone, 77 



Catskill upper beds, 78 



X. Pocono sandstone, 78 



XT. Mauch Chunk red shale, 79 



Volcanic rocks ; trap dykes, 79 



Chapter IV. 



The Perry county fault, 81 



Half Falls fault, 88 



Little Germany fault, 89 



Intermediate fault, 91 



Chapter V. 



Clinton fossil iron ore beds, 91 



Marcellus brown hematite bed, 96 



Hamilton (Montebello) fossil iron ore, 99 



Oriskany ferruginous beds, 101 



Portage- Chemung iron ore, 101 



Catskill iron ore, 102 



Pocono iron ore, 102 



Lime and its use upon land, 103 



Coal in Perry county, 107 



Chapter VI. 



Catalogue of living plants, 113 



