Costello-King

Information

The Costello-King site (AZ AA:12:503) is the westward extension of the Las Capas site complex (Ezzo and Deaver 1998; Mabry 2008:27)--one of the largest and most densely occupied residential, mortuary, and agricultural sites dating to the Early Agricultural period in the Southwestern US. Costello-King is one of several Early Agricultural period residential sites along a 40 km long stretch of the Santa Cruz River valley in the Tucson Basin where archaeologists have recovered abundant maize in association with small oval semi-subterranean house pits and other features, including irrigation canals. Lisa Huckell (2006:100) notes that there are five AMS dated maize samples from this site, one of which was included in her morphological study of early maize from the Southwestern US: it was a 12-rowed cob (Huckell 2006:101). Ezzo and Deaver's dates (1998:23, Table 3) are reproduced in Mabry's (2008:64) compilation of maize radiocarbon dates from the Santa Cruz River Basin.

ID Other ID Type Subtype Uncal BP (years) ± 1 σ (years) Median cal BP (years) Lower cal BP (years) Upper cal BP (years) δ13C Contaminated?
Beta-89860 MacroSample cob 2770 60 2872 3058 2755 -12.4 No
Beta-89861 MacroSample cupule 2770 60 2872 3058 2755 -12.3 No
Beta-89862 MacroSample cupule 2690 60 2807 2944 2730 -11.5 No
Beta-89863 MacroSample cob 2620 60 2746 2865 2493 -11.3 No
Beta-89859 MacroSample cupule 2780 60 2884 3060 2760 -11.5 No

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References Cited

Ezzo, J. A. and W. L. Deaver
    1998    Watering the Desert: Late Archaic Farming at the Costello-King Site. Technical Series No. 68. Statistical Research, Inc., Tucson.

Huckell, L. W.
        2006      Ancient Maize in the American Southwest: What does it Look Like and What Can it Tell Us?  In Histories of Maize: Multidisciplinary Approaches to the Prehistory, Biogeography, Domestication, and Evolution of Maize, edited by J. E. Staller, R. H. Tykot and B. F. Benz, pp. 97-107. Elsevier/Academic Press, Amsterdam.

Mabry, J. B. (editor)
    2008    Las Capas: Early Irrigation and Sedentism in a Southwestern Floodplain. Anthropological Papers No. 28. Center for Desert Archaeology, Tucson.