ADDITIONS TO THE LIBEABT. 1 85 



D. Report of Progress on the Brown Hematite Ore Eanges of 



Lehigh County, by Frederick Prime, Jun. 8vo. Harris- 

 burg, 1875. 



Dg. Eeport of Progress on the Brown Hematite Deposits of the 

 Siluro-Cambrian Limestones of Lehigh County, lying be- 

 tween Shimersville, Millerstown, Schnecksville, Balliets- 

 ville, and the Lehigh River, by Frederick Prime, Jun. 

 Svo. Harrisburg, 1878. 



Dg. YoL 1. The Geology of Lehigh and Northampton Counties, 

 by J. P. Lesley, R. N. Sanders, H. M. Chance, F. Prime, 

 and C. E. Hall. Svo. Harrisburg, 1883. 



Dg. Vol. 2. The Geology of the South Mountain Belt of Berks 

 County, by E. Y. d'lnvilHers. 8vo. Harrisburg, 1883. 



Dg. Yols. 1 & 2. Atlas. Svo. 



D,. Atlas. Svo. 



E. Special Report on the Trap Dykes and Azoic Rocks, by T. 



Sterry Hunt. Part 1. Svo. Harrisburg, 1878. 



F. Report of Progress in the Juniata District on the fossil Iron 



Ore Beds of Middle Pennsylvania, by John H. Dewees ; 

 with a Report of the Aughwick Yalley and East Broad 

 Top District, by C. A. Ashburner. Svo. Harrisburg, 



1878. 



G. Report of Progress in Bradford and Tioga Counties, by 



Andrew Sherwood, Franklin Piatt, and John Fulton. 

 Svo. Harrisburg, 1877 (?). 



Gg. The Geology of Lycoming and Sullivan Counties, by Andrew 

 Sherwood and Franklin Piatt. Svo. Harrisburg, 1880. 



Gg. The Geology of Potter County, by Andrew Sherwood ; with 

 Report on the Coal Fields, by Franklin Piatt. Svo. 

 Harrisburg, 1880. 



G^. The Geology of Clinton County, by H. M. Chance. Svo. 



Harrisburg, 1880. 



Gg. The Geology of Susquehanna County and "Wayne County, 

 by I. C. White. Svo. Harrisburg, 1881. 



G3. The Geology of Pike and Monroe Counties, by I. C. "White ; 

 Special Surveys of the Delaware and Lehigh Water Gaps, 

 by H. M. Chance. Svo. Harrisburg, 1882. 



G7. The Geology of the Susquehanna River Region in the six 

 counties of Wyoming, Lackawanna, Luzerne, Columbia, 

 Montour, and Northumberland, by I. C. White. Svo. 

 Harrisburg, 1883. 



H. Report of Progress in the Clearfield and Jefferson District 

 of the Bituminous Coal Fields of Western Pennsylvania, 

 by Franklin Piatt. Svo. Harrisburg, 1875. 



