LOBECK, NEW YORK CITY, A PHYSIOGRAPHIC CENTER 45 



*201. Washington Folio, U. S. G. S., No. 70. 

 *202. Norfolk Folio, U. S. G. S., No. 80. 



203. St. Marys Folio, U. S. G. S., No. 136. 



204. Dover Folio, U. S. G. S., No. 137. 



205. Patuxent Folio, U. S. G. S., No. 152. 

 *206. Trenton Folio, U. S. G. S., No. 167. 



207. Choptank Folio, U. S. G. S., No. 182. 



IX. — Central Lowland, Eastern Lakes Section 



208. Coleman, A. P. 1899. Lake Iroquois. Bull. Geol. Soc. Am., X, p. 165. 



209. Coleman, A. P. 1904. Beaches of Ontario. Bull. Geol. Soc. Am., XII, p. 



129. 



210. Coleman, A. P. 1904. Iroquois beach in Ontario. Bull. Geol. Soc. Am., 



XV, p. 347. 



211. Cushing, H. P. 1908. Paleozoic in northwestern New York. Bull. Geol. 



Soc. Am., XIX, p. 155. 



212. Fairchild, H. L. 1896. Karnes of western New York. Jour. Geol., IV, 



p. 129. 

 *213. Fairchild, H. L. 1896. Glacial Genesee lakes. Bull. Geol. Soc. Am., 

 VII, p. 423. 



214. Fairchild, H. L. 1897. Lake Warren shorelines in western New York. 



Bull. Geol. Soc. Am., VIII, p. 269. 



215. Fairchild, H. L. 1898. Glacial waters in Finger lake region. Bull. Geol. 



Soc. Am., X, p. 27. 



216. Gilbert, G. K. 1885. Topographic features of lake shores. 5th Ann. 



Kept. U. S. G. S., p. 69. 

 *217. Gilbert, G. K. 1895. Niagara Falls. Nat. Geog. Soc. Monographs, p. 203. 



218. Gilbert, G. K. 1897. Recent earth movements in Great Lakes region. 



18th Ann. Kept. U. S. G. S., Part 2, p. 595. 



219. Gilbert, G. K. 1899. Glacial sculpture in western New York. Bull. 



Geol. Soc. Am., X, p. 121. 

 *220. Gilbert, G. K. 1907. Recession of Niagara falls. Bull. U. S. G. S., No. 



306. 

 221. Goldthwait, J. W. 1910. Isobases of Algonquin and Iroquois beaches. 



Bull. Geol. Soc. Am., XXI, p. 227. 

 *222. Leverett, F. 1910. Outline of history of Great Lakes. 12th Rept. Mich. 



Acad. Sci., p. 19. 



223. Spencer, J. W. W. 1890. Ancient shore phenomena of Great Lakes. 



Bull. Geol. Soc. Am., I, p. 71. 



224. Spencer, J. W. W. 1891. Post-Pleistocene subsidence vs. glacial dams. 



Bull. Geol. Soc. Am., II, p. 465. 



225. Spencer, J. W. W. 1910. Niagara river and glacial period. Bull. Geol. 



Soc. Am., XXI, p. 433. 



226. Spencer, J. W. W. 1913. Earth movements about Lake Ontario. Bull. 



Geol. Soc. Am., XXIV, p. 217. 

 ♦227. Spencer, J. W. W. 1913. Relation of Great Lakes to Niagara limestone. 



Bull. Geol. Soc. Am., XXIV, p. 229. 

 *228. Taylor, F. B. 1898. Whirlpool rapids and gorge. Bull. Geol. Soc. Am., 



IX, p. 59. 



