| http://www.w3.org/ns/prov#value | - Scientists, including William . . . ??? Map (db m67836) HMDistrict of Columbia, Washington ??? Bradford Pear Tree(Pyrus calleryana Bradford) An ornamental shade tree developed by U.S.D.A. Scientists Planted May 2, 1966 by Mrs. Lyndon B. Johnson Orville L. Freeman, Secretary of Agriculture Va. & Md. 4-H Clubs In behalf of National Beautification Replaced May 2, 1987 ??? Map (db m70457) HMDistrict o
|
