Second Geological Survey of Pennsylvania. 



REPORTS FOR 1874, 1875, 1876, 1877, 1878, AND 1879. 



The following Reports are issued for the State by the Board of Conimis*- 

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

 cordance with the terms of the act : 



PRICES OF REPORTS. 



A. HiSTORiCAT^ Sketch of Geological Explorations in Pennsylvania 

 and otlier States. By J. P. Lesley. With apj^endix, coiituining Annual 

 Reports for 1874 and 1875 ; pp. 220, Svo. Price in jmper, |0 S.') ; postage, $0 OG. 

 Price in cloth, gO 50 ; postage, $0 10. 



B. Preliminary Report of the Mineralogy of Pennsylvania — 



1874. By Dr. F. A. Genth. With appendix on the hydro-carbon compounds, 

 by Samuel P. Sadtler. 8vo., pji. 206, with viap of the State for reference to 

 cx:)unties. Price in i>aper, ?0 50; postage, ?0 08. Price in cloth, $0 75; i)o.st- 

 age, ?0 10. 



B.- Preliminary Report of the Mineralogy of Pennsylvania for 



1875. By Dr. F. A. Genth. Price in j^aper, ?0 05 ; postage, SO 02. 



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

 Persifor Frazer, Jr. Svo., ^i]). 198, illustrated by 8 maps and seciio7is and other 

 ilhistrations. Price in paper, |0 85; postage, ?0 10. Price in cloth, ^l 10; 

 postage, §0 12. 



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

 land, AND Franklin — 1875. Illustrated by maps and cross-sections, show- 

 ing the Magnetic and Micaceous Ore Belt near the Avestern edge of tlie Meso 

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

 Mountains, with a preliminary discussion on the Dillsburg Ore Bed and 

 catalogue of specimens collected in 1875. By Persifor Frazer, Jr. Price. $1 25 ; 

 postage, SO 12. 



D. Report of Progress IN THE Brown Hematite Orf; Ranges of Le- 

 high County — 1874, witli descriptions of mines lying between Emaus, Al- 

 burtis, and Foglesville. By Fredericlc Prime, Jr. 8vo., pp. 73, witli a contour- 

 line 7)iap and 8 cuts. Price in paper, $0 50 ; postage, $0 04. Price in cloth, 

 ?0 75 ; postage, ?0 06. 



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