Indiana Code: IC 1-2-11-1
Sec. 1. The river commonly known as the Wabash River is adopted and designated as the official river of the state of Indiana.
As added by P.L.3-1996, SEC.1.
IC 1-2-9-1
Sec. 1. The regal type rock "Limestone" which is found and quarried in south and central Indiana from the geologic formation named the Salem Limestone, is hereby adopted as the official stone of the State of Indiana.
(Formerly: Acts 1971, P.L.3, SEC.1.)
Indiana Division, Indiana State Library.