Comparative analyses of the morphological attributes of maize processing tools are used to estimate relative differences in the agricultural dependence of prehistoric Mogollon pithouse dwellers. The interval from A.D. 200--650/700 was a period of subsistence stability. Beginning around A.D. 650--700, dependence on maize agriculture began to increase. By A.D. 1000 Mogollones were producing at least 20\% more maize per grinder that in A.D. 650/700. The introduction or indigenous development of a new strain of maize (with larger cobs, larger kernels, and higher yields) instigated this increase in agricultural dependence. I close with a discussion of the potentially destabilizing effect of reliance on the new maize.
This is a preliminary report on research in-progress. It includes approximately 80% of the data that will be used in the final version.
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Paper provided by Santa Fe Institute in its series Working Papers with number
93-06-034.