This primary source comes from the Records of the Smithsonian Institution.
National Archives Identifier:
523838Full Citation: Miscellaneous, [Indian] Mounds; ca. 1871 - ca. 1907 ; Records of the Smithsonian Institution, Record Group 106. [Online Version, https://docsteach.org/documents/document/1-miscellaneous-[indian]-mounds, April 28, 2025]