Fletcher, Gustav L. 1885- Earth science, [electronic resource] / [by] Gustav L. Fletcher [and] Caleb Wroe Wolfe.. — 4th ed.. — Boston, : Heath, [1959]. — viii, 556 p. : illus. 24 cm.
Bibliography: p. 546-548.
a 61001390
Physical geography--1945---Textbooks
GB55