From the record
“Elkin's Ferry Battlefield was the site of the Battle of Elkin's Ferry, an engagement of the Camden Expedition during the American Civil War. The battlefield is located about 10 miles (16 km) north of Prescott, Arkansas, spanning the Little Missouri River in Clark and Nevada counties.”
Wikipedia article Elkin's Ferry Battlefield, CC BY-SA 4.0.
One of 20 National Register listings published here for Nevada County · listed in 1994 · category: Site · built in 1994.
Sources: the Wikipedia article · the National Register database, National Park Service · the Wikipedia article