DAKTON.] 



NORTH AMERICAN GEOLOGY. 



195 



Carboniferous — Continued. 

 New York, Pennsylvania, Mary- 

 land, Virginias — Continued. 



1877. Map of outcrop of Pittsburg 



coal, Schellenberg. 



Coal regions of America, Mac- 

 farlane, J. 



Map of Pennsylvania, Lesley, 

 J. P. 



Vespertine of the Virginias, 

 Fontaine. 



Anthracite from Third Hill 

 Mountains, "W. Va., Frazer. 



Oil records and levels of Penn- 

 sylvania, Carll. 



Report on Fayette and West- 

 moreland coal fields. Pa., 

 Stevenson. 



Oil wells of western Pennsyl- 

 vania, Nettleton. 



Section of Paleozoic in central 

 Pennsylvania, Ashburner. 



1878. Limits of Catskill and Che- 



mung formations of Penn- 

 sylvania, Sherwood. 



Section of Paleozoic rocks in 

 Clinton County, Pa., Chance. 



Report on Beaver River coal dis- 

 trict. Pa., White, I. C. ; Les- 

 ley, J. P. 



Outline of geology of Alabama, 

 Smith, E. A. 



Report on Indiana County, 

 Pa., Piatt, W.G.; Lesley,J.P. 



Bradfield and Tioga counties, 

 Pa, Piatt, F. ; Lesley, J. P. 



Section of Paleozoic rocks in 

 Blair County, Pa., Piatt and 

 Sanders. 



Geologic history of New York 

 Island, etc., Newberry. 



Heyners Station oil section, 

 Clinton County, Pa., Chance- 

 Upper Devonian of southeast- 

 ern Pennsylvania, Stevenson. 



Aughwick Valley and east 

 Broad Top district, Pa, Ash- 

 burner. 



Catalogue of rook specimens 

 survey of Pennsylvania, Hall, 

 C.E. 



1879. Handbook of Virginia, Pollard. 

 Second report of laboratory 



of survey of Pennsylvania, 

 McCreath. 



C arboniferous — C ontinued . 

 New York, Pennsylvania, Mart- 

 land, Virginias — Continued. 



1879. Macfarlane's Geological Rail- 



road Guide to western Mary- 

 land, Fontaine. 



Macfarlane's Geological Rail- 

 road Guide to West Virginia, 

 Stevenson and Fontaine. 



Classification of coals, Lesley, 

 J. P. 



Correlation of coal measures 

 of Pennsylvania and Ohio, 

 White, I. C. 



Northern township of Butler 

 County, Pa., Chance. 



Geology of Lawrence County, 

 Pa., White, I. C. ; Lesley, J. P. 



Macfarlane's Geological Rail- 

 road Guide to Virginia, Rog- 

 ers, W. B. 



Macfarlane's Geological Rail- 

 road Guide to Pennsylvania, 

 Lesley, J. P. 



Bradford oil district of Penn- 

 sylvania, Ashburner. 



1880. Geology of Clinton County, 



Pa., Chance, Lesley. 

 Geology of Potter County, Pa., 



Sherwood, A. ; Lesley, J. P. 

 Special survey of Subcarbon- 



iferous. Chance. 

 Report on line of Richmond 



and Southwestern Railway, 



Shaler. 

 Structure and hypsometry of 



Catskill Mountains, Guyot. 

 Reconnaissance from Poulet to 



Sharon, Pa., Ashburner. 

 Queens River coal basin, Pa., 



Piatt, F. 

 Surface geology of southwest 



Pennsylvania region, Steven- 

 son. 

 Well records in McKean and 



Elk counties. Pa., Ashburner. 

 Smithers-Gauley tract of coal 



lands in West Virginia, 



Hotchkiss. 

 Deep well in Westmoreland 



County, Pa., Lesley, J. P. 

 Geology of McKean County, 



Pa., Ashburner. 

 Iron ores of the Virginias, 



Rogers, W. B. 



