10 GEOLOGICAL SUKVEY OF PENIST-A. 



the east bank of the Susquehanna river, Lancaster county, and 1 sheet con- 

 tains cross sections of the Philadelphia belt of the Azoic rocks. 



For report on Cornwall Iron Ore Mines, Lebanon county, and the Tipton 

 Run coal beds, Blair county, see Annual Report, 1885. 



For report on the Iron Ore Mines and Limestone Quarries of the Cumber- 

 land-Lebanon Valley, and Paint-ore along the Lehigh river, see Annual, 

 1886, Part IV. 



SOUTH-EASTERN PENNSYLVANIA. 



C. Report on York and Adams counties, by P. Frazer. With one folded 

 map of a belt of York county through York and Hanover, 6 folded cross 

 sections, and two page plate microscopic slices of dolerite. 8°, pp. 198, 1876. 



(Note. — The colored geological county map of York is published in the 

 Atlas to C 3). 



C 2. Report on York and Adams counties, (South Mountain rocks, iron 

 ores, &c. ), by P. Frazer. With one general map of the district, 10 folded 

 cross sections, and 5 page plates. 80, pp. 400, 1877. (Note. — The colored, 

 geological county map of Adams is published in D 5). 



C 3. Report on Lancaster county, by P. Frazer. With nine double page 

 lithographic views of slate quarries and Indian-pictured rocks, one plate of 

 impressions on slate, and one page plate microscopic section of trap, and an 

 atlas. 80, pp. 350, 1880. 



(C 3.) Att^as of 13 sheets : Colored geological map of York county ; col- 

 ored geological map of Lancaster county ; Susquehanna river section. 

 (Sheets 1, lA, 2, 2 A, 3, 4) ; Lancaster section ; Pequea section ; Muddy run 

 section ; Chestnut Hill mines ; Gap Nickel mine. 



C 4. Report on Chester county ; Geueral description, pp. 214, by J. P. 

 Lesley ; Field notes in the townships, pp. 215-354, by P. Frazer. With a 

 colored geological county map, a photographic view of contorted schists and 

 12 page plates. 8°, pp. 394, 1883. 



C 5. Report on Delaware county, by C. E. Hall. With a colored geolog- 

 ical county map ; 30 photographic page plate views of granite quarries, 

 kaolin pits, &c., and 4 page plates of altered mica. 8°, pp. 128, 1885. See 

 Annual Report, 1885, for Kaolin report. 



C 6. Report on Philadelphia and the southern parts of Montgomery 

 and Bucks counties, by C. E. Hall. With a colored geological map of the 

 belt of country between Trenton and Delaware county (in 3 sheets), a sheet 

 of colored cross sections and 24 cuts in the text. 8°, pp. 145, 1882. 



(C7.) Atlas to report on Bucks and Montgomery counties, containing 

 12 sheets of topographical map of the Neshaminy, Tohickonand Perkiomen 

 water basins by the Philadelphia Water Department on a scale of 1,600 feet 

 to 1 inch, jislji-a of nature. 8°, 1887. — (Report C. 7. not ready for publication. ) 



E. Part I of (historical introduction to) a report on the Azoic rocks, by 

 T. S. Hunt. 80, pp. 253, 1878. 



For report on the kaolin deposits of Chester and Delaware counties, 

 see Annual Report, 1885. 



For report on the Serpentines of Radnor township, Delaware Co., &c., see 

 Annual, 1886, Part IV. 



See also Grand Atlas, Div. V., Pt. I, under North-eastern and Middle 

 Pennsylvania. 



July 1, 1889. 



