You searched for: Subject Environment Remove constraint Subject: Environment Year 1990 Remove constraint Year: 1990 Bounding Box 50.273438 19.12441 59.589844 28.748397 Remove constraint Bounding Box: 50.273438 19.12441 59.589844 28.748397
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.