You searched for: Subject Environment Remove constraint Subject: Environment Subject Invasive species Remove constraint Subject: Invasive species Subject Biology and Ecology Remove constraint Subject: Biology and Ecology Place Massachusetts Remove constraint Place: Massachusetts Data type Polygon Remove constraint Data type: Polygon
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.