DAETON,] 



NOKTH AMERICAN GEOLOGY. 



727 



Peet, Stephen D. Natural and artificial 

 terraces. 



Am. Geo!., vol. 7, pp. 113-117, 1891, 



The flood plain and the mound 



builders. 



Am. Geol., vol. 8, pp. 44.51, 1891. 

 Penfield, S. L., ladings, Joseph P., 

 and. Fayalite in the obsidian of 

 Lipaii. 



Am. Jonr. Sol., Si series, vol. 40, pp. "5-78, 

 1890. 



Abstract, Am. Nat., vol. 24, p. 1072 (71iDes), 

 1890. 



The minerals in hollow spheru- 



lites of rhyolite from Glade Creek, 

 Wyo. 



Am. Jour. Sci., 3d series, vol. 42, pp. 39-46, 

 1891. 



Pennsylvania. 

 1787. Mineralogisohe Kenntniss des 



ostlichen TheilsvonNord-Ame- 



rika, etc., Schoepf. 

 1799. Basalt in Pennsylvania, Smith, 



T. P. 

 1807. Observations on geology of 



United States and geologic 



map, Maolure. 

 1818. Geology of the United States, 



Maclure. 

 Observations on geology of North 



America, Mitchell, S. L. 



1822. Minerals of Paterson and Sparta, 



New Jersey, Nnttall. 



Volcanoes and volcanic sub- 

 stances, Cooper, T. 



Anthracite in Wilkesbarre, Cist. 



1823. Expedition from Pittsburg to the 



Eocky Mountains, Long. 



1824. Country near Easton, Finch. 

 Rocks at Wilkesbarre, Maclure. 

 Essay on Tertiary of America, 



Finch. 

 Expedition to source of St. Peters 

 River, Keating. 



1825. Map of Connewago Hills, etc., 



Gibson. 



1826. New or variegated sandstone of 



the United States, Finch. 



Geological survey of Philadel- 

 phia, Troost. 



Coal of Rhode Island, Silliman. 



1827. Boring for water, Disbrow. 

 Belmont anthracite mines, Mere- 

 dith. 



Well at Milton, Hepburn. 

 Mountain district of Pennsyl- 

 vania, Pierce. 



Pennsylvania — Continued. 

 1828. Coal near Tioga River, Meade. 

 Country near West Chester, 

 Finch. 



1830. Diluvial furrows and scratches, 



Thomas, D. 

 Anthracite region, Lackawanna 



and Susquehanna, Sullivan. 

 Coal formation of State of New 



York, Eaton. 

 Geologic prodromus, Eaton. 

 Geologic text-book, Eaton. 



1831. Geology of Bedford Spring re- 



gion, Hayden, H. H. 

 Journey to anthracite region, 



Hitchcock, E. 

 Carboniferous of New York, 



Eaton. 

 Singular impression in marble, 



Brown, T. B. 



1832. Stratigraphic geology established 



by organic remains, Eaton. 

 Geology of Wayne County, Davis, 



J. P. 

 Rocks in vicinity of Philadelphia, 



Brown, P. A. 

 Coal region between Cumberland 



and Pittsburg, Pomeroy. 

 Section of Alleghany Mountains, 



Taylor, R. C. 

 Geology of Philadelphia, Brown, 



P. A. 



1833. Coal beds of Pennsylvania, Eaton. 

 Vegetable origin of anthracite. 



Bunker. 



1834. Country between Baltimore and 



the Ohio, Aikin. 

 ■'835. Anthracite of Schuylkill County, 

 Koehler. 



Position of plant beds near Lewis- 

 town, Taylor, R. C. 



Report on country between Mis- 

 souri and Red River, Feathers- 

 tonhaugh. 



Ancient lake in MifBin County, 

 Taylor, R. C. 



Coal fields of Blossburg, Taylor, 

 R.C. 



Description of portion of Alle- 

 ghany Mountain, MUler, E. 

 1836. Reconnaissance from Washing- 

 ton through Wisconsin to 

 Coteau des Prairies, Feathers- 

 tonhaugh. 



Bituminous coal deposits of the 

 valley of the Ohio, Hildreth. 



