428 N. H. HARTON — CATALOG OF PHOTOGRAPHS 



1014. Pottsville deep shaft. Eeport A. C, Second Geological Survey of Pennsyl- 



vania, page plate No. 33 (No. 1580). 



1015. Kohinoor Colliery culm and rock dump. Report A.C., Second Geological 



Survey of Pennsylvania, page plate No. 50 (No. 1583). 



1016. Anderson's tipple, Venetia, N. W. (No. 1584). 



101'7. Black Diamond tipple. Report K 4, Second Geological Survey of Pennsyl- 

 vania, plate iv (No. 1585). 



1018. Snow Hill tipple. Report K4, Second Geological Survey of Pennsylvania, 



plate ii (No. 1587). 



1019. New Coal Bluff tipple. Report K 4, Second Geological Survey of Pennsyl- 



vania (No. 1595). 



1020. Breaker in process of construction, Kohinoor colliery. Report A. C, Second 



Geological Survey of Pennsylvania, page plate No. 45 (No. 1581). 



1021. Boring for oil. Sadsbury township, Chester county, Pennsylvania (No. 1659). 



1022. The terminal moraine crossing Fishing Creek valley, Columbia county, Penn- 



sylvania ; looking southwest. Report Z, Second Geological Survey of 

 Pennsylvania, plate xvii (No. 1632). 



1023. Culm and rock heaps at Shenandoah. Report A. C. , Second Geological 



Survey of Pennsylvania, page plate No. 49 (No. 1582). 



1024. Stripping at Hollywood Colliery No. 1; looking east. Report A. C., Second 



Geological Survey of Pennsylvania, plate No. 51 (No. 1577). 



1025. AVorkings at Hollywood colliery ; looking east. Report A. C, Second Geo- 



logical Survey of Pennsylvania, plate No. 12 (No. 1578). 



1026. Avondale quarry, Delaware county, Pennsylvania (No. 1600). 



1027. Ward's quarry, near Chester, Pennsylvania (No. 1603) (duplicate of No. 953). 



Photographed by G. P. Merrill, United States National Museum 



1028. Fold in slate quarry, Bangor, Pennsylvania. 



1029. The Franklin slate quarry, Slatington, Pennsylvania. 



1030. Slate quarry, Bangor, Pennsylvania. 



Photographed by C. D. Walcotl 

 6-j by Si inches. Negatives in United States Geological Survey 



1031. Shales, broken down by superincumbent weight, or creeping ; half a mile 



north of Columbia, Lancaster county, Pennsylvania; beside Pennsylvania 

 railroad tracks (No. 188c). 



1032. Different view of 1031 (No. 1886). 



1033. Cliff of massive bedded Lower Cambrian limestone, bluish black at the base, 



white above and capped by thinner layers of a dark arenaceous limestone. 

 Quarries on the line of the Pennsylvania railroad at Bellemont, Lancaster 

 county, Pennsylvania (No. 196a). 



1034. A closer view of the cliff. Quarries at Bellemont post-office, Lancaster 



county, Pennsylvania, on the line of the Pennsylvania railroad (No. 1986). 



1035. Quarry near Bellemont post-office, Lancaster county, Pennsylvania. This 



quarry shows the brecciation, caused by jointing and cleavage planes, of 

 the massive limestone shown in 1033 (199«). 



