Analysis of information sources in references of the Wikipedia article "Cactus Hill" in English language version.
Evidence for a pre-Clovis level at Cactus Hill was presented in a series of papers given on April 7 at the annual Society for American Archaeology conference in Philadelphia by the director of the excavations at Cactus Hill, Joseph McAvoy, and a number of specialists studying various aspects of the site. ... Review of the radiocarbon samples by palaeobotanist Lucinda McSweeney ... The stone tool assemblage at the site was described by Larry Kimball.