The rivers or segments of rivers to be initially included in this system, being classified by the above-stated criteria, are as follows:

Class I Natural River Areas

Blackburn Fork – That segment of the stream from the county road at Cummings Mill downstream one and one-half (11/2) miles.

Chickamauga Creek – The segment of North Chickamauga Creek in Hamilton County from a point approximately at the confluence of Hixson Branch continuing to a point eight and three-tenths miles (8.3 mi.) downstream to the North Chickamauga Creek Gorge visitor access on Montlake Road in Hamilton County, and that one and one-half miles (1.5 mi.) segment of its tributary Cain Creek from the department of environment and conservation property line to the confluence with North Chickamauga Creek.

Conasauga River – The entire segment of the river in Polk County, upstream from the Highway 411 bridge.

Duskin Creek – That continuous segment of Duskin Creek from its confluence with Newby Branch in Rhea County downstream to its confluence with Piney River in Rhea County.

Hatchie River as a swamp river.

Little Piney Creek – That continuous segment of Little Piney Creek entirely within Piney Falls State Natural Area in Rhea County downstream to its confluence with Soak Creek in Rhea County.

Piney River – That continuous segment of Piney River, in Rhea County from its confluence with Moccasin Creek downstream to its confluence with RockHouse Branch.

Roaring River – That segment from State Route 136 downstream two (2) miles.

Spring Creek – That segment from Waterloo Mill downstream to the Overton-Jackson county line.

Class II Pastoral River Areas

Blackburn Fork – That segment downstream from a point one and one-half (11/2) miles downstream from the county road at Cummings Mill to its confluence with Roaring River.

Buffalo River – The entire river, except that portion which lies within Wayne, Perry, Humphreys and Lewis counties.

Collins River – That segment which lies within the Savage Gulf natural-scientific area.

Duck River – That segment of the Duck River beginning at Iron Bridge Road at river mile 136.4 extending continuously to a point upstream to the boundary of Marshall County at river mile 173.7.

Duck River – That segment of the Duck River beginning at Industrial Park Road approximately at river mile 128 extending continuously to a point downstream to the boundary of Hickman County at approximately river mile 98 downstream from the Natchez Trace River Bridge.

Harpeth River – The entire river except that segment lying north of Highway 100 and south of Interstate 40 in Davidson County; and except those segments located in Cheatham, Dickson and Williamson counties.

Roaring River – That segment downstream from a point two (2) miles downstream from State Route 136, to its confluence with the Cordell Hull Lake.

Spring Creek – That segment between State Highway 136 and Waterloo Mill, and that segment downstream from the Overton-Jackson county line to its confluence with Roaring River.

Class III Developed River Areas

French Broad River – That segment from the North Carolina state line to its confluence with Douglas Lake.

Harpeth River – Only that segment of the Harpeth River lying north of Highway 100 and south of Interstate 40; it being the specific intent to exclude all segments of the Harpeth River lying in or flowing though Cheatham, Dickson and Williamson counties.

Tuckahoe Creek

Hiwassee River – That portion from the Highway 411 bridge to the North Carolina line.

Clinch River – That portion from Melton Hill Dam upstream to Pellissippi Parkway.

Soak Creek – That segment of Soak Creek beginning in Bledsoe County at its confluence with Georgia Branch continuing to a point downstream to its confluence with the Piney River in Rhea County.