The Flatrock River, also known as Flatrock Creek and other variants of the two names,[2] is a 98-mile-long (158 km)[3]tributary of the East Fork of the White River in east-central Indiana in the United States.[4] Via the White, Wabash and Ohio rivers, it is part of the watershed of the Mississippi River, draining an area of 532 square miles (1,380 km2).[5]
In Decatur County it collects the Little Flatrock River,[7] which rises in Rush County and flows southwestwardly 23.4 miles (37.7 km),[3] past Milroy.[6]
Variant names
The United States Board on Geographic Names settled on "Flat Rock River" as the stream's name in 1917, and changed it to "Flatrock River" in 1959. According to the Geographic Names Information System, it has also been known historically as "Big Flat Rock River," "Big Flatrock River," "Flat Rock Creek," and "Flatrock Creek."[2]
^ abU.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed May 19, 2011