The USDA defines whole definition food deserts whole definition http://www.ers.usda.gov/data-product...x#.Uvhc3_ldWSo “food deserts” http://www.ers.usda.gov/data-product...x#.Uvhc3_ldWSo The USDA defines "food deserts" http://www.ers.usda.gov/data-product...x#.Uvhc3_ldWSo original version original version about page