The main purpose of this legislative text is to initiate a study for a specific segment of the Hatchie River in Tennessee to determine its eligibility for inclusion in the National Wild and Scenic Rivers System. This designation aims to protect the river's natural, cultural, and recreational values. Key provisions of the legislation include the formal designation of the Hatchie River segment, which spans approximately 163 miles from the Mississippi-Tennessee state line to its confluence with the Mississippi River.