Mill Creek and South Slough at Milan, Ill., reports on preliminary examination and survey of Mill Creek and South Slough at Milan, Ill., for purpose of ascertaining and reporting as to effect of construction of Illinois and Mississippi Canal on flood conditions in Milan, whether and to what extent said construction has caused overflow and damage of private property, and what sum of money, if any, ought in justice to be paid to individual property owners as full and final compensation for such damages.