1.
19711013 Metropolitan Oct 13 1971
2.
3.
4.
19711201 Metropolitan Dec 1 1971
Dutch elm disease in Missouri (1993)
Elm leaf beetle (2010)
Dutch elm disease in Missouri
19730314 Tarrevir Mar 14 1973
19671108 Tarrevir Nov 8 1967
19741030 Metropolitan Oct 30 1974
19741120 Metropolitan Nov 20 1974
19770309 Metropolitan Mar 9 1977