Maíz carbonizado provenientes de excavaciones de salvamento (Wallace 1996; Mabry 2008:65, Tabla 3.5).
Mabry, J. B. (editor) 2008 Las Capas: Early Irrigation and Sedentism in a Southwestern Floodplain. Anthropological Papers No. 28. Center for Desert Archaeology, Tucson.
Wallace, Henry D. 1996 Archaeological Assessment of a Portion of the Knapp Parcel Southesast of the Confluence of the Rillito and Santa Cruz Rivers, Tucson, Arizona. Anthropological Papers, No. 17. Center for Desert Archaeology, Tucson.