Ecorse River water quality study : May-July, 1969. - Michigan. Department of Natural Resources; Michigan. Bureau of Water Management; Michigan. Water Resources Commission ([Lansing, Mich.?] : State of Michigan, Water Resources Commission, Bureau of Water Management, Dept. of Natural Resources, 1969)
"August, 1969."
Includes bibliographical references (p. 37).
Mode of access: Internet.
Keywords: Sewage disposal in rivers, lakes, etc. -- Michigan -- Ecorse River; Water quality -- Michigan -- Ecorse River; Ecorse River (Mich.)