RT Journal Article SR Electronic T1 THE AMERICAN MOSAIC: PRESERVING A NATION'S HERITAGE JF Landscape Journal FD University of Wisconsin Press SP 147 OP 148 DO 10.3368/lj.9.2.147 VO 9 IS 2 A1 O'Donnell, Patricia YR 1990 UL http://lj.uwpress.org/content/9/2/147.abstract AB