Generate a more complex version of this sentence The Big Mound Key - Boggess Ridge Archeological District iku sawijining situs sajarah cedhak Placida, Florida, Amérikah Sarékat.
Mesthi, versi sing luwih rumit saka ukara kasebut yaiku "The Big Mound Key - Boggess Ridge Archeological District minangka Landmark Sejarah Nasional AS (sing ditunjuk kaya ngono tanggal 3 Desember 1990), dununge ing sisih kidul wétan Placida, Florida, ing Big Mound Key. "