Lakes. The valley moraine lakes and the chains of rock basin lakes.
Reading References for Chapter XXVIII
Glacier movement:—
L. Agassiz. Nouvelles Études et Expériences sur les Glaciers Actuels, etc., Paris, 1847, pp. 435-539.
H. Hess. Die Gletscher, Braunschweig, 1904, pp. 115-150.
H. F. Reid. The Mechanics of Glaciers, Jour. Geol., vol. 4, 1896, pp. 912-928; Glacier Bay and Its Glaciers, 16th Ann. Rept. U. S Geol. Surv., Pt. i, 1898, pp. 445-448.
Plate 22.
A. Model of the vicinity of Chicago, showing the position of the ancient beaches and the outlet of the former Lake Chicago.
