Stewart, John C. Studies of our earth laboratory exercises in earth science / John C. Stewart, John A. Shimer and C. E. Nehru. - New York : Burgess, 1971. - iv, 114 p. : ill. ; 28 cm. 326 326 Subjects--Topical Terms: Geology, hydrology, meteorology. Dewey Class. No.: 551 / S49s