Columbia subject headings:
Environmental management--Great Lakes Region (North America)
Environmental protection--Great Lakes (North America)
Restoration ecology--Great Lakes (North America)
Water quality management--Great Lakes (North America)
Water--Pollution--Great Lakes (North America)
Harvard subject headings:
Environmental management--Great Lakes Region (North America)
Environmental protection--Great Lakes (North America)
Restoration ecology--Great Lakes (North America)
Water quality management--Great Lakes (North America)
Water--Pollution--Great Lakes (North America)
Princeton subject headings:
Environmental management--Great Lakes Region (North America).
Environmental protection--Great Lakes (North America).
Restoration ecology--Great Lakes (North America).
Water quality management--Great Lakes (North America)
Water--Pollution--Great Lakes (North America)