You searched for: Format Shapefile Remove constraint Format: Shapefile Subject Environment Remove constraint Subject: Environment Place Massachusetts Remove constraint Place: Massachusetts Place Delaware Remove constraint Place: Delaware Data type Polygon Remove constraint Data type: Polygon Year 1990 Remove constraint Year: 1990
1990. United States. Agricultural Research Service. This polygon shapefile portrays the spread, by year, of the Africanized honey bee (AHB) in the United States, Puerto Rico, and the U.S. Virgin Isla... National Atlas of the United States.