Basketmaker II Subsistence: Carbon Isotopes and Other Dietary Indicators from Cedar Mesa, Utah

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Abstract
Four separate lines of evidence show that the Cedar Mesa Basketmaker II were dependent on maize horticulture: the settlement pattern of the mesa-top Basketmaker II; stable carbon-isotope analysis of Basketmaker and other skeletal remains from the Cedar Mesa area; and two different analyses of coprolites and midden constituents from the Turkey Pen Cave site (a Basketmaker II site in Grand Gulch, which drains parts of Cedar Mesa). All of these analyses concur with a dependence on maize horticulture for the Cedar Mesa Basketmaker II, a dependence not differing significantly from later Pueblo inhabitants of Cedar Mesa and elsewhere. Whether other Basketmaker II variants were as reliant on maize is uncertain, but there are good indications that at least some, and probably all, were. By 2,000 years ago the Basketmaker II peoples on Cedar Mesa were not modified hunters and gatherers, but relied on maize.