"Revised January 1970"--Cover "Preface to Revised edition"--Page v "Principal changes in this revised edition are as follows: Chapter VI, Summary and Conclusions and Chapter VII, Recommendations ... Appendices A, B and C deleted. Summary of Conference added ... agreed upon by the conferees and approved by the Secretary of the Interior on January 26, 1970"--Page v Publisher location came from the Contact us website of the U.S. Department of the Interior. 500 EPA pubnumber EPA 905-R-70-107, per NSCEP. "This document was first issued in April 1969, in advance of the conference in the matter of pollution of the interstate waters of Lake Superior and its tributary basin as further identified in the introduction. The report has been reprinted in this revised edition, which includes the removal of the original Chapter VI, Summary and Conclusions and Chapter VII, Recommendations, which have been replaced by the Summary of Conference. Appendices A, B, and C in the original edition have been deleted. Includes bibliographical references (pages 52-54).

The basin and its features -- General description -- Population -- Economy -- Waterborne commerce -- Water resources -- Lake currents -- Water uses -- The pollution problem -- Chemical pollution -- Oxygen depletion -- Bacterial pollution -- Mining activities -- Soil erosion -- Wastes from watercraft -- Oil pollution -- Disposal of dredged material -- Pesticides -- Pollution control actions and proposals -- Federal Water Pollution Control Administration activities -- Water quality standards -- Great Lakes -- Illinois River Basins Project -- Construction grants -- Program grants -- Research development & demonstration grants -- Federal installations -- Technical programs -- Public information -- State water pollution control programs -- Michigan -- Minnesota -- Wisconsin -- Water quality criteria -- Summary of conference.