因為其上常常覆蓋有樹葉、灰塵或水等遮蔽物,動物等很容易失足陷入其中,因而數世紀以來積累了大量的動物骨骸、化石。瀝青坑邊上有專門用來研究瀝青坑和展覽坑中發現的動物標本的喬治·C·佩奇博物館(George C. Page Museum)。其名稱實際上語義重複,因為“the La Brea Tar Pits”字面直譯是“the the tar tar pits”。 [2]
^McMenamin, M.A.S.; et al. Amino acid geochemistry of fossil bones from the Rancho La Brea Asphalt Deposit, California. Quaternary Research. 1982, 18 (2): 174–83. doi:10.1016/0033-5894(82)90068-0.
^Page Museum. About the museum. Page Museum web site. The Natural History Museum of Los Angeles County Foundation. [January 25, 2016]. (原始内容存档于2019-05-04).
^J.C. Merriam (1914) Preliminary report on the discovery of human remains in an asphalt deposit at Rancho La Brea, Science 40: 197–203
^F.R. O'Keefe, E.V. Fet, and J.M. Harris (2009) Compilation, calibration, and synthesis of faunal and floral radiocarbon dates, Rancho La Brea, California, Contributions in Science 518: 1–16
^G.E. Kennedy (1989) A note on the ontogenetic age of the Rancho La Brea hominid, Los Angeles, California, Bulletin, Southern California Academy of Sciences 88(3): 123–26
^R.L. Reynolds (1985) Domestic dog associated with human remains at Rancho La Brea, Bulletin, Southern California Academy of Sciences 84(2): 76–85