RT Journal Article SR Electronic T1 THE FOURTH NORTH AMERICAN SYMPOSIUM ON SOCIETY AND RESOURCE MANAGEMENT JF Landscape Journal FD University of Wisconsin Press SP 91 OP 93 DO 10.3368/lj.12.1.91 VO 12 IS 1 A1 Nathan Perkins YR 1993 UL http://lj.uwpress.org/content/12/1/91.abstract AB