Hidore, John J. Physical geography: a laboratory manual/ John J. Hidore and Michael C. Roberts. - 4th ed. - New York: Macmillan, 1990. - 269 pages : illustrations. ; 27 cm. 'A flyer entitled,'Topographic map symbols' is kept at the back of the book'. ISBN: 0023545119 RM89.49 Subjects--Topical Terms: Physical geography--Laboratory manuals.