This small, slab-lined bin was unearthed at the village site. (Notice the scale, with one-centimeter increments). Scientists are not sure what it was used for, but it may have been an agricultural feature.
http://www.huffingtonpost.com/2014/10/14/ancient-villages-arizona-video_n_5967556.html?ir=Science&utm_campaign=101414&utm_medium=email&utm_source=Alert-science&utm_content=Photo