TY - BOOK ID - 134980866 TI - Historic plant material sources. PY - 1998 PB - [Washington, D.C.] : U.S. Department of the Interior, National Park Service, Cultural Resources, Park Historic Structures & Cultural Landscapes, DB - UniCat KW - Landscape architectural projects KW - Landscape protection KW - Heirloom varieties (Plants) KW - United States. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134980866 AB - ER -