Argued on Exceptions to Report of Special

Master on Re-reference March 12, 13, 1930.

Decided April 14, 1930.

[Syllabus from pages 179-181 intentionally omitted]

Mr. Raymond T. Jackson, of Mineral Point, Wis., for complainant State of Wisconsin.

Mr. Gilbert Bettman, of Cincinnati, Ohio, for complainant State of Ohio.

Mr. Wilber M. Brucker, of Lansing, Mich., for complainant State of Michigan.

Mr. Newton D. Baker, of Cleveland, Ohio, for complainants.

[Argument of Counsel from pages 181-188 intentionally omitted]

Messrs. John W. Davis, of New York City, Edmund D. Adcock, of Chicago, Ill., and James M. Beck, of New York City, for defendant Sanitary District of Chicago, Ill.

[Argument of Counsel from pages 188-196 intentionally omitted.]

Mr. Justice HOLMES delivered the opinion of the Court.