any town, township, municipality, or other similar unit of general purpose local government, or any area represented by a not-for-profit corporation or institution organized under State or Federal law to promote broad based economic development, or unit of general purpose local government, as approved by the Secretary, that has a population of not more than 10,000 individuals, is located within a county in which at least 15 percent of the total primary and secondary labor and proprietor income is derived from forestry, wood products, and forest-related industries such as recreation, forage production, and tourism and that is located within the boundary, or within 100 miles of the boundary, of a national forest; or

any county that is not contained within a Metropolitan Statistical Area as defined by the United States Office of Management and Budget, in which at least 15 percent of the total primary and secondary labor and proprietor income is derived from forestry, wood products, and forest-related industries such as recreation, forage production, and tourism and that is located within the boundary, or within 100 miles of the boundary, of a national forest.