Warren Upham. The Glacial Lake Agassiz. Mon. 25, U. S. Geol. Surv., pp. 658, pls. 38.

F. W. Sardeson. Beginning and Recession of St. Anthony’s Falls, Bull. Geol. Soc. Am., vol. 19, 1908, pp. 29-36.

Glacial lakes in the St. Lawrence valley:—

Chamberlin and Salisbury. Geology, vol. 3, pp. 394-405.

Frank Leverett. Outline of the History of the Great Lakes (Presidential Address), 12th Rept. Mich. Acad. Sci., 1910, pp. 19-42. The Pleistocene Features and Deposits of the Chicago Area. Chicago, 1897, pp. 86, pls. 8 (Chicago Outlet).

H. L. Fairchild. Glacial Lakes in Western New York, Bull. Geol. Soc. Am., vol. 6, 1895, pp. 353-374, pls. 18-23; Glacial Waters in Central New York. Bull. 127, N. Y. State Mus., 1909, pp. 66, pls. 42, and maps in cover.

Early lakes in the Erie basin:—

Frank Leverett. On the Correlation of Moraines with Raised Beaches of Lake Erie, Am. Jour. Sci. (3), vol. 43, 1892, pp. 281-301.

F. B. Taylor. The Great Ice Dams of Lakes Maumee, Whittlesey, and Warren, Am. Geol., vol. 24, 1899, pp. 6-38, pls. 2-3; Relation of Lake Whittlesey to the Arkona Beaches, 7th Rept. Mich. Acad. Sci., 1905, pp. 30-36.

Frank Leverett. The Ann Arbor Folio, Folio No. 155, U. S. Geol. Surv., 1908, pp. 10-12.