Second Geological Survey of Pennsylvania. 



PtEPORTS FOR 1874, 1875, 1876, 1877, 1878, AOT) 1879. 



The follo-wiiig Reports are issued for the State by the Board of Commis- 

 missioners, at fTarnsburg, and the prices have been fixed as follows, in ac- 

 cordance with the terms of the act : 



PRICES OF REPORTS. 



A. IIisTORTCAii Sketch of Geological, Explorations in Pennsylvania 

 and otiicr States. By J. P. Lesley. With api:)endix, containing Annual 

 Reports for 1S74 and 1875 ; pp. 2i2G, 8vo. Price in paper, $0 25 ; postage, $0 06. 

 Price in cloth, SO 50 ; i^ostage, $0 10. 



B. Preliminary Report of the Mineralogy of Pennsylvania — 

 1S74. By Dr. F. A. Genth. With appendix on the hydro-carbon compounds, 

 by Samuel P. Sadtler. 8vo., pp. 200, with mrr/) of tlie State for reference to 

 counties. Price in paper, ?0 50 ; jjostage, f OS. Price in cloth, $0 75 ; post- 

 age, ?0 10. 



B.2 Preliminary Report of the Mineralogy of Pennsylvania for 



1875. By Dr. F. A. Genth. Price in paper, $0 05 ; postage, 50 02. 



C. Report of Progress on York and Adams Counties — 1874. By 

 Persifor Frazer, Jr. 8vo., pp. 198, illustrated by 8 wia^s and sections and otiier 

 illustrations. Price in paper, $0 85 ; postage, f 10. Price in cloth, ?1 10 ; 

 postage, SO 12. 



CC. Report of Progress in the Counties of York, Adams, Cumber- 

 land, AND Franklin — 1875. Illustrated by mops and cross-sections, &\\oy/- 

 in^ the Magnetic and Micaceous Ore Belt near the western edge of tlie Meso- 

 zoic Sandstone and the two Azoic systems constituting the mass of the Soutli 

 Mountains, with a preliminary discussion on tlie Dillsburg Ore I5ed and 

 catalogue of specimens collected in 1875. By Persifor Frazer, Jr. Price. %l 25 ; 

 postage, ?0 12. 



D. Report of Progress in the Brown Hematite Ore Ranges of 1 jo- 

 high County — 1S74, with descriptions of mines Ij-ing between Emaus, Al- 

 burtis, and Foglesville. By Frederi<!lc Prime, Jr. 8vo., pp. 7o, witli a contour- 

 line map and 8 cuts. Price in paper, $0 50 ; postage, ?0 04. Price in cloth, 

 ?0 75 ; postage, $0 06. 



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