RT Journal Article SR Electronic T1 THE AMERICAN BACKWOODS FRONTIER: AN ETHNIC AND ECOLOGICAL INTERPRETATION JF Landscape Journal FD University of Wisconsin Press SP 51 OP 52 DO 10.3368/lj.9.1.51 VO 9 IS 1 A1 Donald L. Hardesty YR 1990 UL http://lj.uwpress.org/content/9/1/51.abstract AB