KEFOKT OF COMMITTEE ON PHOTOGRAPHS 467 



1632. The terminal moraine crossing Fishing Creek valley, Columbia county, Penn- 



sylvania, looking southwest. Eeport Z, Second Geological Survey of Penn- 

 sylvania, plate xvii. 



1633. The Bryn Mawr gravel at Crawford's fireclay pit, Delaware county, looking 



north 34 degrees west. Report C 5, Second Geological Survey of Pennsyl- 

 vania, plate xxii. 



1634. Glacial strias on the southern slope of Godfrey's ridge, in Monroe county, 



Pennsylvania. Report Z, Second Geological Survey of Pennsylvania, 

 plate xiii. 



1635. Front side of terminal moraine near Bangor, Northampton county, looking 



southeast. Report Z, Second Geological Survey of Pennsylvania, plate i. 



1636. Inside view of terminal moraine near Bangor, Northampton county, looking 



northwest. Report Z, Second Geological Survey of Pennsylvania, plate 2. 



1637. Moraine hummocks west of Bangor, Northampton county, looking south- 



west. Report Z, Second Geological Survey of Pennsylvania, plate 3. 

 1638 to 1643, inclusive. Castle rock, Edgemont township, Delaware county, Penn- 

 sylvania. 



1644. Castle rock, eastern end, Edgemont township, looking north 80 degrees east. 



Report C 5, Second Geological Survey of Pennsylvania, plate xxiii. 



1645. Castle rock, western end, Edgemont township, looking north 15 degrees east. 



Report C 5, Second Geological Survey of Pennsylvania, plate xxxii. 



1646. Castle rock, Edgemont township, Delaware county, Pennsylvania, looking 



south 55 degrees east. Report C 5, Second Geological Survey of Pennsyl- 

 vania, plate XXX. 



1647. Limestone quarry, Port Kennedy, Pennsylvania, Phcenix Iron Companj-. 



1648. Trap rocks at Gulf Mills, Pennsylvania. 



1649. Lafayette soapstone quarry, Montgomery county, Pennsylvania. 



1650. Lafayette soapstone quarry, Montgomery county, Pennsylvania. 



1651. Trap rocks at Gulf Mills, Pennsylvania. 



1652. Trap boulders, French Creek falls, Pennsylvania. 



1653. Trap boulders, French Creek falls, Pennsylvania. 



1654. Trap boulders, French Creek falls, Pennsylvania. 



1655. Water Sheet narrows, Huntingdon county, Pennsylvania. Juniata river. 



1656. Breaker at Plolly wood colliery, showing stripping. 



1657. Synclinal in mammoth bed, Hollywood colliery, Hazelton, Pennsylvania. 



Shows open-work mining after stripping. 



1658. Synclinal in mammoth bed, Hollywood colliery, Hazelton, Pennsylvania. 



Shows open-work mining after stripping. 



1659. Boring for oil. Sadsbury township, Chester county, Pennsylvania. 



1660. Kennedy's syenite quarry, near \^ayne. 



1661. Gneiss peak on Harvey Thomas farm, L. Bethel township, "Delaware county, 



Pennsylvania. 



1662. Burned rocks, Fayette city, Monongahela river. 



1663. Rausch's gravel quarry, Bethlehem, Pennsylvania. 



1664. Limestone quarry, Bethlehem, Pennsylvania. 



1665. Old Wheatley lead mine, near PhoenixvillQ, Pennsylvania. 



1666. Old Smelting Works mine, near Phcenixville, Pennsylvania. 



1667. Old Wheatley lead mine, near Phcenixville, Pennsylvania. 



1668. Pottsville from Sharp mountain. 



