Lounsbury, John Frederick. Introduction to geographic field methods and techniques / John F. Lounsbury and Frank T. Aldrich. - 2nd ed. - Columbus : Merrill, c1986. - xii, 212 p. : ill., maps, plans. ; 25 cm. Includes bibliographical references and index. ISBN: 0675205093 Subjects--Topical Terms: Geography-- Field work. Dewey Class. No.: 910/.724