You searched for: Access Public Remove constraint Access: Public Subject Biology and Ecology Remove constraint Subject: Biology and Ecology Place Massachusetts Remove constraint Place: Massachusetts 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.