POLLUTION OF LAKE ERIE, LAKE ONTARIO AND THE INTERNATIONAL SECTION OF THE ST. LAWRENCE RIVER - V.3-LAKE ONTARIO AND THE INTERNATIONAL SECTION OF THE ST. LAWRENCE RIVER, REPORT TO THE INTERNATIONAL JOINT COMMISSION.
Notes: BOUND TOGETHER WITH VOL. 1 ZZIJC-69P541 AND VOL. 2 ZZIJC-69P542.