"2014-10-10T14:42:42"^^ . . . "conical mounds"@en . "Artificial earthen mounds, usually burial mounds, that are round and dome-shaped, sometimes with a very narrow, pointed top. Such mounds were especially prevalent with early indigenous inhabitants of midwest North America."@en . "2014-07-22T21:57:36"^^ . . "mounds, conical"@en . "300391499" . "conical mound"@en .