Aug. 7, 1848.
Chap. CXLV. — An Act to annex that Part of the State of Indiana bordering on Lake Michigan to the Chicago Collection District.
That part of the State of Indiana bordering on Lake Michigan annexed to the collection district of Chicago.
Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That from and after the thirtieth day of September next, all that part of the State of Indiana bordering on Lake Michigan, and heretofore included in the Detroit collection district, be, and the same is hereby, annexed to, and made a part of, the collection district of Chicago, in the State of Illinois.
Approved, August 7, 1848.

Printed Document, 1 page(s), Public Acts, 30th Cong., 1st sess., George Minot, Statutes at Large 9, 275