Earth Features and Their Meaning / An Introduction to Geology for the Student and the General Reader

by William Herbert Hobbs

G. K. Gilbert. Report on the Geology of the Henry Mountains. Washington, 1877, pp. 99-150. (A classic upon the work of rivers.)

C. E. Dutton. Tertiary History of the Grand Cañon District (with atlas), Mon. 2, U. S. Geol. Surv., 1882, pp. 264.

W. M. Davis. The Rivers and Valleys of Pennsylvania, Nat. Geogr. Mag. vol. 1, 1889, pp. 203-219; The Triassic Formation of Connecticut, 18th Ann. Rept. U. S. Geol. Surv., Pt. ii, 1898, pp. 144-153.

Sir A. Geikie. The Scenery of Scotland. London, 1901, pp. 1-12.

I. C. Russell. Rivers of North America. Putnam. New York, 1898, pp. 327.

M. R. Campbell. Drainage Modifications and their Interpretation, Jour. Geol., vol. 4, 1896, pp. 567-581, 657-678.

Henry Gannett. Physiographic Types, U. S. Geol. Surv., Topographic Atlas, Folios 1-2, 1896, 1900.

W. M. Davis. The Geographical Cycle, Geogr. Jour., vol. 14, 1899, pp. 481-504.

The flood plain:—

Henry Gannett. The Flood of April, 1897, in the Lower Mississippi, Scot. Geogr. Mag., vol. 13, 1897, pp. 419-421.