You searched for: Author United States. Agricultural Research Service Remove constraint Author: United States. Agricultural Research Service Subject Environment Remove constraint Subject: Environment Institution Stanford Remove constraint Institution: Stanford Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Delaware Remove constraint Place: Delaware Place Arizona Remove constraint Place: Arizona
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.