BIBLIOGRAPHY. 35 



Gilbert, G. K. History of Niagara River: Sixth Rept. New York State Reserva- 

 tion at Niagara, 1890, pp. 61-84. 



Postglacial anticlinal ridges near Ripley and Caledonia, New York: Proc. 



Am. Assoc. Adv. Sci., Vol. XL, 1891, pp. 219-250. 



Niagara River: Nat. Geog. Monographs, No. 7, 189.5, 31 pages. 



Old tracks of Erian drainage in western New York: Bull. Geol. Soc. Amer- 

 ica, Vol. VHI,.1897, pp. 285-286. 



Modification of the Great Lakes by earth movement: Nat. Geog. Mag., Vol. 



VIII, 1897, pp. 233-217. 



Recent earth movement in the Great Lakes region: Eighteenth Ann. Rept. 



U. S. Geol. Survey, Pt. II, 1898, pp. 601-617. 



Bowlder pavement at Wilson, New York: Jour. Geol., Vol. VI, 1898, pp. 



771-775. 



Glacial sculpture in western New York: Bull. Geol. Soc. America. Vol. X, 



1899, pp. 121-130. 



Dislocation at Thirtymile Point, New York: Bull. Geol. Soc. America, Vol. 



X, 1899, pp. 181-131. 

 Gould, D. T. Preglacial course of Rocky River in Ohio: Berea (Ohio) Advertiser, 



April 16, 1886. 

 Grabau, a. W. The preglacial channel of Genesee River: Proc. Boston Soc. Nat. 



Hist., Vol. XXVI, 1894, pp. 369-369. 

 Granger, Ebenezer. Notice of a curious iluted rock at Sanduskv, Ohio: Am. Jour. 



Sci., 1st series, Vol. VI, 1823, pp. 179-180. 

 Greene, G. M. Geology of Monroe County, Indiana: Second Ann. Rept. Bureau 



of Statistics and Geology, State of Indiana, 1880, pp. 427-419. 

 Gresley, W. S, a granite bowlder near Pittsburg, Penns3'lvania: Am. Geologist, 



Vol. XVIII, 1896, pp. 331-332. 

 Gkiswold, E. Sketch of geology of Mercer County, Pennsylvania: Trans. Med. 



Soc. Pennsylvania, Vol. XIV, 1884, pp. 466-470. 

 Gulliver, F. P. Shoreline topography: Proc. Am. Acad. Arts Sci., Vol. XXXIV, 



1899, pp. 150-258. 

 Gunning, W. D. The past and future of Niagara: Pop. Sci. Monthly, Vol. I, 1872, 



pp. 564-573. 

 Hall, James. Second Ann. Rept. New York Geol. Survey, Fourth Geol. District, 



1838, 86 pages. • 

 Third Ann. Rept. New York Geol. Survey, Fourth Geol. District, 1839, 52 



!S. 



Fourth Ann. Rept. New York Geol. Survey, Fourth Geol. District, 1840, 68 



)S. 



Fifth Ann. Rept. New York Geol. Survey, Fourth Geol. District, 1841, 30 



— Natural history of New York, Pt. IV, Geology, comprising the survey of 

 the Fourth Geol. Disti'ict, 1843, 675 pages. 



— On exposures of broken and contorted strata and intermingled drift on the 

 shore of Lake Erie: Am. Jour. Sci., 1st series. Vol. XLV, 1843, pp. 327-329. 



