DAHTON.] 



NORTH AMERICAN GEOLOGY. 



199 



Carboniferous — Continued. 

 New York, Pennsylvania, Mary- 

 land, Virginias — Continued. 

 1887-1889. Somerset County, Pa., 

 Fulton, Prosser. 



Southern anthracite region and 

 its disturbances, Wasmuth. 



Stratification of anthracite 

 measures, Wasmuth. 



Shell from Waverly group, 

 Beecher. 



Structure of Carboniferous of 

 Pennsylvania, Wasmuth. 



Map of United States, Hitch- 

 cock, C. H. 



Genesee section, N. Y., Will- 

 iams, H. S. 



Petroleum and gas regions of 

 New York, Ashburner. 



Greenbrier County, W. Va., 

 Page. 



Coals of southwestern Virginia, 

 Killbrew. 



New River region, d'lnvilliers 

 and McCreath. 



Southwestern Virginia, Ste- 

 venson. 



Coal from Jefferson County, W. 

 Va., analysis, Whitfield, J. E. 



Upper Cumberland Valley, Mc- 

 Creath and d'lnvilliers. 



1890. Locality numbers, Hall, C. E. 

 Report on oil and gas, Carll. 

 Report on New Boston and 



Morea coal lands, Lyman. 



Fractured strata in Bedford 

 County, Pa., Stevenson. 



Making of Pennsylvania, Clay- 

 pole. 



Umbral limestone in Lycoming 

 County, Pa., Meyer. 



Warren's Geography, Brewer. 



Macfarlane's Railway Guide, 

 Lesley, Lewis, Rogers, Par- 

 sons, White, I. C. ; Campbell, 

 Fontaine. 



American cannel coal, Macfar- 

 lane, C. 



1891. Devonian and Carboniferous, 



correlation, Williams, H. S. 



Geological notes [Pennsylva- 

 nia], Gresley. 



Excursion across the Appala- 

 chians [Maryland], Wil- 

 liams, G. H. 



Carboniferous — Continued. 

 New York, Pennsylvania, Mary- 

 land, Virginias — Continued. 

 1891. Iron ores of Virginia, Pechiu. 

 Stratigraphy of bituminous 

 coal field, White, LC. 

 Ohio. 

 1807. Observations on geology of 



United States, Maclure. 

 1818. Belmont County, Ohio, Atwa- 



ter, C. 

 1821. Vegetal impressions from coal 

 of Zanesville, Ohio, Gran- 

 ger, E. 



1826. Facts relating to parts of Ohio, 



Hildreth. 



1827. Fossil trees near Gallipolis, 



Ohio, Hildreth. 



1828. Vicinity of Somerville and 



Shippingsport Canal, Lap- 

 ham. 

 Coal, diluvial, and other strata 

 of Ohio, Hildreth. 



1833. Saliferous formation in Ohio 



Valley, Hildreth. 



1834. Ten days in Ohio, Am. Jour. Sci. 



1836. Lias of the West, Hildreth. 

 Bituminous coal deposits of che 



valley of the Ohio, Hildreth. 



Reconnaissance from Washing- 

 ton thi'ough Wisconsin to Co- 

 teau de Prairie, Featherston- 

 haugh. 



General sketch of geology of 

 Ohio, Hildreth. 



1837. General sketch of geology of 



Ohio, Riddell. 

 Tour to falls of the Cuyahoga, 



Ohio, Am. Jour. Sci. 

 Observations on geology of 



Ohio, Lapham, I. A. 



1838. Report on Wood, Crawford, 



etc., counties, Ohio, Briggs,C. 

 Section in southern Ohio, 



Briggs and Foster. 

 Reports of survey of Ohio, 



Mather. 

 Report on counties of Ohio, 



Whittlesey. 

 Report on coal district of Ohio, 



Hildreth. 

 Remarks on report on survey of 



Ohio, Mather. 

 Report on Scioto and Hocking 



counties, Ohio, Briggs, C. 



