Middle Fork Rogue River
The Middle Fork Rogue River is a tributary of the South Fork Rogue River in the U.S. state of Oregon.
It begins in Klamath County in the Sky Lakes Wilderness of the Cascade Range and flows generally northwest through the Rogue River – Siskiyou National Forest to meet the South Fork south of Prospect.
The Middle Fork enters the South Fork about from the South Fork's confluence with the Rogue River.
Marlowe Creek
Marlowe Creek is a stream in Worth County in the U.S. state of Missouri.
It is a tributary of the Middle Fork Grand River.
A variant name was" Marlow Creek".
The creek has the name of a local minister.
Sheep Creek (South Fork Grand River)
Sheep Creek is a stream in the U.S. state of South Dakota.
It is a tributary of the South Fork Grand River.
Sheep Creek was named for the fact sheep grazed near it.
South Fork Spring River
The South Fork Spring River( commonly South Fork of the Spring River or simply South Fork River) is a tributary of the Spring River, roughly long, in southern Missouri and northern Arkansas in the United States.
The river flows through the Salem Plateau of the Ozarks and it is part of the Spring River Tributaries Watershed.
The South Fork rises in Howell County northeast of the unincorporated community of South Fork and southwest of West Plains.
The river flows generally southeast from Howell County through Fulton County before joining with the Spring River in Sharp County west of Hardy.
Tarvagatai River
Tarvagatai River is a river in the Teshig sum of Bulgan aimag in Mongolia.
It starts about 30 km north of the sum center of Selenge sum in the Angarkhai mountain range, and discharges into the Eg River ca 55 km west of that.
South Fork Grand River (South Dakota)
The South Fork of the Grand River is a tributary of the Grand River, approximately 90 mi( 145 km) long, in South Dakota in the United States.
It rises in the Badlands of northwestern South Dakota, south of the Cave Hills in western Harding County, and flows east past Buffalo, then past several units of the Grand River National Grassland in northern Perkins County.
It joins the North Fork in the Shadehill Reservoir near to form the Grand, which is a tributary of the Missouri.
Big Rock Creek (Missouri)
Big Rock Creek is a stream in Harrison and Worth counties in the U.S. state of Missouri.
It is a tributary of the East Fork Grand River.
Big Rock Creek was so named on account of the rocky character of its watercourse.
Snake Creek (South Fork Grand River)
Snake Creek is a stream in the U.S. state of South Dakota.
It is a tributary of South Fork Grand River.
Snake Creek was named on account of its irregular course.
Bear Creek (Middle Fork Grand River)
Bear Creek is a stream in Gentry and Worth counties in the U.S. state of Missouri.
It is a tributary of the Middle Fork Grand River.
Bear Creek received its name from a pioneer incident in which a bear was killed near its course.
North Fork Grand River
The North Fork of the Grand River is a tributary of the Grand River, approximately 80 miles( 129 km) long, in North Dakota and South Dakota in the United States.
It rises in the Badlands of southwestern North Dakota, in southern Bowman County, and flows ESE, into the Bowman- Haley Reservoir, formed by the Bowman- Haley Dam, then through northwestern South Dakota, past several units of the Grand River National Grassland in northern Perkins County.
It joins the South Fork near Shadehill to form the Grand.

Question: Are Tarvagatai River and South Fork Grand River (South Dakota) both located in the same country?
Answer: no