Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Little Missouri River (North Dakota) - The Little Missouri River is a tributary of the Missouri River 560 mi (901 km) long in the northern Great Plains of the United States. Rising in northeastern Wyoming in western Crook County about 15 miles (24 km) west of Devil's Tower it flows northeastward across a corner of southeastern Montana and into South Dakota.
Answer:
Natural Place