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AZ: Cochise Co., 1381 m

MEXICO: Sonora


Synonyms: Navarette site; Naco #1 (Mead et al. 2005); Greenbush Draw (Agenbroad et al. 2013 [assumed to be synonymous with Naco]). White et al. (2010) report mammoth and horse from the Sonoran side of the border, with the mammoth not clearly identifiable as to whether it is Columbian or Imperial.

NacoAge. Late Wisconsin. A radiocarbon date of 9,250 ± 300 BP is considered too young for the fauna and Clovis artifact (Mead et al. 2005).

General Description. Site along a tributary (Greenbush Draw) of the San Pedro River (Mead et al. 2005).


Mammut americanum—American Mastodont (Agenbroad et al. 2013)
Mammuthus columbi—Columbian Mammoth (Mead et al. 2005)
Equus sp.—Horses (Mead et al. 2005)
Bison sp.—Bison (Mead et al. 2005); White et al. 2010)

Literature. Mead et al. 2005; White et al. 2010..


Last Update: 11 Nov 2013