Goodson, J. B. The new contour dictionary : a short textbook on contour reading with map exercises / J. B. Goodson and J. A. Morris. - London : George G. harrap, c 1971. - 75 p. : ill. ; 25 cm. - Harvard-Radcliffe fine arts series . 343 343 ISBN: 0 245 59947 9 Subjects--Topical Terms: Mathematical geography --Surveying . Dewey Class. No.: 526.98 / G629n