SOUTH-EASTERN PENNSYLVANIA. 



C. KKTOKT ok PKOiiUKSS ON YoKK ANM> AUAMS Ct)UNTIKS — 1S74. Bv 



Persil'or Krazer. 8vo., pp. 198, illustrateil liy S maps and sections ami other 

 illustrations. Price in paper, f() s.'> ; i»ostaj;;e, fO 10. 



C . Kkport ot* Prouhkss in thk CoiNTiKs OK York, Adams, Cumbkr- 

 i.ANO, ANo Franklin— 187."). Illustrated by maps and croxs-seclions, show- 

 ing the Mairnetio and Miciiceous Ore Ik-It near the western edsje of the Meso- 

 zoie Sandstone and the two Azoic systems consiitutinii the iniiss of the South 

 Mountains, with a preliminary discussion on the lUi-LsBi'Rtj Ork Hkd and 

 Gualoiiue of specimens collected in 187o. By Peisifor Frazer. Price, ?1 25: 

 postaiie, ?t1 12. 



C^. Report of Progress in 1877. The Geology of Lancaster Cor nty, 

 with an atlas containing a colored geologic^il map of the county, local map ot 

 the Gap Nickel Mine, map anil sections of the East Bank of Susquehanna 

 River ; other geological sections across the county, and geologic d colored maps 

 of York and Lanc^vster counties. By Persifor Frazer. 8 vo., pp. 350. Price 

 of Report and Athis, $2 £0 : postage. 50 2,5. 



C. Geology of Chester County, after the surveys of Henry D. Rogers, 

 Persifor Frazer and Charles E. Hall, edited by J. P. Lesley— with a colored 

 geological map of the county, three lithographic jdates and maps, and sections 

 in the text. Price, ?0 75; postage, SO 18. 



C'^. Report of Progress. Geology of Philadelphia County, and 

 OF THE Southern Parts of Montgomery and Bucks. By Charles E. 

 Hall. Pp. 145, with Geological map. sheet of colored cross-sections, and 24 

 page cuts. Price, ?1 65: postage, ?0 13. 



D. Report ok Progress in the Brown Hematite Ore Ranges of Le- 

 high County— 1874, with descriptions of mines lying between Emaus, AI- 

 burtis, and Fogelsville. By Frederick Prime. Jr. Svo., pp. 7o, with a contour- 

 line map and S cuts. Price in paper, $0 50 ; postage, ?0 04. 



D2. The Brown Hematite Deposits of the Siluro-Cambrian Lime- 

 stones OF Lehigh County, lying between Shimersville, Millerstown, 

 Schencksville, Ballietsville, and the Lehigh river- 1875-6. By Frederick 

 Prime, Jr. 8 vo., pp. 99, with 5 maji-sheets and 5 plates. Price, §1 60: post- 

 age, ?0 12. 



D^. Vol. L Report of Progress. Geology of Lehigh and North- 

 ampton Counties. General introduction, by J. P. Lesley. Slate Belt and 

 Quarries, by R. A. Sanders. Water Gaps, by H. M. Chance. Limestone Belt 

 ami Iron Ore Mines, by F. Prime. South Mountain Rocks, by F. Prime. 

 Itinerarj' Survey, by C. E. Hall. Three lithograph and 3 artot\'pe views of 

 quarries, and an atla.**. Pp. 283. Price, SO 65 : postage, ?0 13. 



D-. Vol. II. Part I. Report of Progress. Geology of the South 

 Mountain Belt of Berks County'. By E. V. D'Invilliers. Illustrated 

 by 18 page plates in the text, and by the maps in the Atlas. Pp. 441. Price, 

 Zo 55 ; jxjstage, SO 18. 



D^. Volumes I and II, Atlas, containing a colored contour map of Southern 

 Northampton on 6 sheets, a contour map of the mountain on 18 sheets, a geo- 

 logical index map on 1 sheet, a colored geologic il map of Northampton 

 and Lehigh Counties, and 4 maps of Iron Mines in Berks County. 

 Price, ?2 80 ; postage, SO 17. 



D'. Maps of Adams, Franklin, and Cumberland Counties. South 

 Mountain sheets A^, A^, B^ and B^. By A. E. Lehman. Price, SI 25; post- 

 age, SO 08. 



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