PRE August 1987.
Dubuque County, Iowa, United States
Locality: Dubuque County, IA, From Tom Harkin (Dupont); putative triazine resistant; Jim Graf Farm, Holy Cross, IA
Coordinates: 42.6006, -90.9957
(Map it)
Georeference protocol: Center of 3rd Order Admin Level
Habitat: Farm
Comment: Dubuque County, IA. Received by the Dekker group in the fall of 1987.