Columbia subject headings:
Air--Pollution--Law and legislation--Southern States.
Air--Pollution--Law and legislation--Tennessee River Region.
Tennessee Valley Authority.
United States. Environmental Protection Agency.
Harvard subject headings:
Air--Pollution--Law and legislation--Southern States.
Air--Pollution--Law and legislation--Tennessee River Region.
Tennessee Valley Authority
United States. Environmental Protection Agency
Princeton subject headings:
Air--Pollution--Law and legislation--Southern States.
Air--Pollution--Law and legislation--Tennessee River Region.
Tennessee Valley Authority.
United States. Environmental Protection Agency