Columbia subject headings:
Federal aid to water quality management--United States.
Infrastructure (Economics)--United States--Finance.
Intergovernmental cooperation--United States.
Sewage disposal plants--United States--Finance.
Harvard subject headings:
Federal aid to water quality management--United States
Infrastructure (Economics)--United States--Finance
Intergovernmental cooperation--United States.
Sewage disposal plants--United States--Finance.
Princeton subject headings:
Federal aid to water quality management--United States.
Infrastructure (Economics)--United States--Finance.
Intergovernmental cooperation--United States.
Sewage disposal plants--United States--Finance.