Plum Bayou Mounds Archeological State Park
archaeological site from the Late Woodland period in Arkansas
Plum Bayou Mounds Archeological State Park (3 LN 42), formerly known as "Toltec Mounds Archeological State Park", also known as Knapp Mounds, Toltec Mounds or Toltec Mounds site, is an archaeological site from the Late Woodland period in Arkansas that protects an 18-mound complex with the tallest surviving prehistoric mounds in Arkansas. The site is on the banks of Mound Lake, an oxbow lake of the Arkansas River. It was occupied by its original inhabitants from the 7th to the 11th century. The site is designated as a National Historic Landmark.
Name
The identification of the site with the Toltec of Mexico was a 19th-century misinterpretation. It was thought that the Toltec people lived in North America and built the mounds. Mary Knapp was the co-owner of the land from 1849 to 1905. She and her first husband purchased the land in 1849, and the land passed to her after his death. She and her second husband made subsequent land purchases near the site. Mary was interested in archeology and had become acquainted with Dr.
“Plum Bayou Mounds Archeological State Park” enters the record as archaeological site from the Late Woodland period in Arkansas. Crown Archives preserves that source wording while asking what Plum, Bayou and Mounds can confirm, complicate or overturn.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 31, 2026. The linked authority identifier is Q7814641. The Library of Congress control number is sh85135904. Authority coordinates are 34.647, -92.065. 2 of 3 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 1849 and 1905.
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This entry incorporates text from “Plum Bayou Mounds Archeological State Park” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.