River

County

Reach

Length (miles)

Year Listed/ Updated

ORVs

Description

Calamus River

Garfield, Loup, Brown, Rock

North Loup River to Source

80

1982

S, W, C

Meandering river in Grand Valley surrounded by low rolling hills; wintering bald eagle population, a federally listed endangered species; high potential for cultural resources of National Register quality.

Calamus River, excluding reservoir

Garfield, Loup, Brown, Rock

North Loup River to Source, excluding Virginia Smith Reservoir

71

1982/ 1995

S, W, C

Virginia Smith Reservoir extends approximately from about 5 1/2 miles NW of Burwell to just upstream of the confluence with Gracie Creek. The length of the reservoir is approximately 9 miles.

Dismal River

Blaine, Thomas

Middle Loup River to Source (confluence of North and South Forks)

68

1982

S

Within Sand Hill region, offers vistas of rolling prairie; trout fishery in upper reaches; highest-priority fishery resource (FWS).

Long Pine Creek

Rock, Brown

Niobrara River to Source

38

1982

F

Important trout fishery; highest-priority fishery resource (FWS).

Middle Loup River

Blaine, Thomas, Hooker, Cherry

Milburn Diversion Dam to Source (confluence of North and South Branches)

89

1982

S, F, W

Good scenic qualities with occasional bluffs, scattered trees, good clear flow; highest-priority fishery resource (FWS); wintering bald eagles and small least tern nesting colony.

Niobrara River

The 40-mile segment from Borman Bridge sutheast of Valentine, downstream to its confluence with Chimney Creek and the 30-mile segment from the river's confluence with Rock Creek downstream to the State Highway 37 bridge.

0

1982/ 1995

This river is under Congressional study for designation to the Wild and Scenic River System. It is currently under the protection of the Wild and Scenic Rivers Act pursuant to Section 7 (b) of the Act.

Niobrara River

Sioux

Entire segment within Agate Fossil Beds National Monument

10

1982/ 1993

S

S, G, F, W, C

Rare example of a free-flowing, perennial, prairie stream ecosystem. Nine species of native fish exist in stream. Protects fossil resources which represent golden age of mammals.

Niobrara River

Boyd, Holt, Keya Paha, Rock, Brown, Cherry

Keya Paha River to Antelope Creek (omit Cornell Dam and Reservoir)

194

1982

S, R, G, F, W, H, C, O

Sometimes braided river with good flow meandering between high bluffs on either side of valley; many areas highly used for recreation, including excellent canoeing; wintering and migratory bald eagle populations, recent migratory use by whooping cranes, a federally listed endangered species; highest-priority fishery resource (FWS); many collecting sites for miocene, pliocene and some pleistocene vertebrates; high potential for cultural resources of National Register quality.

THE SEGMENT FROM BORMAN BRIDGE DOWNSTREAM TO ITS CONFLUENCE WITH CHIMNEY CREEK AND THE SEGMENT FROM THE RIVER'S CONFLUENCE WITHROCK CREEK DOWNSTREAM TO STATE HIGHWAY 137 BRIDGE WERE ADDED AS COMPONEnts OF THE NATIONAL WILD AND SCENIC rivers SYSTEM ON 5/24/91.

Niobrara River

Knox, Holt, Boyd

Missouri River to Keya Paha River (omit Spencer Dam & Reservoir)

59

1982

S, G, W, C

Classic Miocene and Pliocene stratiographic sections; area of great interest to vertebrate paleontologists; federally listed endangered least tern nesting colonies and possible whooping crane, also a federally listed endangered species, migratory use; high potential for cultural resources of National Register quality.

THE SEGMENT FROM THE WESTERN BOUNDARY OF KNOX COUNTY TO ITS CONFLUENCE WITH THE MISSOURI RIVER WAS ADDED AS A COMPONENT OF THE NATIONAL WILD AND SCENIC rivers SYSTEM ON 5/24/91.

Snake River

Cherry, Sheridan

Niobrara River to Source (omit Merrit Reservoir)

96

1982

S, R, F, W

Scenic spring-fed river with some whitewater and falls in narrow valley; fragile ecosystem with pockets of deciduous trees mixed with cedars; mixed tall and short grass prairie in Sand Hills environment; good canoeing stream; abundant wildlife, wintering bald eagle population, a federally listed endangered species, unusual insect types; highest-valued fishery resource (FWS); high potential for cultural resources of National Register quality.