PENNSYLVANIA 429 



103(3. Lower Cambrian limestone, exposed in quarries at Bellemont, Lancaster 

 county, Pennsylvania, on line of Pennsylvania railroad, a little east of 881 . 

 The massive limestones of 1033 are here capped by a band of conglomerate 

 limestone which rests on the thin bedded limestone shown in the top of 

 quarry (No. 197b). 



1037. Banded Lower Cambrian rocks, just southwest of Emigsville, York county, 



Pennsylvania (No. 184). 



1038. Synclinal fold in Lower Cambrian limestone. Limestone quarry of the east 



side of York, Pennsylvania, within the city limits (No. 192). 



1039. Portion of massive layer of conglomerate limestone. Quarry quarter of a 



mile north of Stoners station, York and Wrightsville railroad, York 

 county, Pennsylvania (No. 181a). 



Photographed for N. H Barton 

 6j by 8J inches. Negatives in United States Geological Survey 



1040. Typical field of gabbro boulders, southeastern Pennsylvania (No. 233). 



Photographed by T. C. Hopkins, Syracuse, New York 

 3J by 4J inches 



1041. View on the Ohio River bluff opposite Beaver, showing concentric weather- 



ing in shale. The weathering from the joints shows concentric peeling off 

 on a large scale, with smaller concretionary masses inside. 



Pliotographed by W. C. Stevenson 

 3 J by 4J inches 



1042. Cambrian limestone, Earnest station, Pennsylvania railroad, near Morriston, 



Pennsylvania. 



1043. Potsdam sandstone exposure, Rhodes quarry, Edge Hill, Montgomery county, 



Pennsylvania. 



1044. Potsdam sandstone, Smith's quarry, Edge Hill. 



South Carolina 



Photographed under direction of J. K. Hitters 



11 by 14 inches. Negatives in United States Geological Survey 



Published in part in the Ninth Annual Report of the United States Geological 

 Survey. 



1045. Worst wreck in Charleston, East Bay street, near Chalmers; looking south 



(No. 18). 



1046. Displaced coping and portico of old guard-house, southwest corner of Meet- 



ing and Broad streets, looking southwest, Charleston, plate xv (No. 16). 



1047. Displaced gable, southeast corner of Queen and Mazyck streets, looking south- 



southeast, Charleston (No. 5). 



LXII— Bum,. Geol. Soc. Am., Vor,. IP.. 1901 



