You searched for: Author United States. Agricultural Research Service Remove constraint Author: United States. Agricultural Research Service Subject Environment Remove constraint Subject: Environment Place Nebraska Remove constraint Place: Nebraska Place Iowa Remove constraint Place: Iowa Place Kansas Remove constraint Place: Kansas
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.