The shoe soles found at the arroyo site consisted of one complete tiny shoe sole and one partial sole of a different size. the author has spent nearly a decade researching these soles. The small one has 7 layers of material which has been thoroughly analyzed. The surprising and fascinating analysis of the layers was conducted by personnel at a nationally-known forensics laboratory in the Chicago area, whose scientists also did studies for the Vatican on the shroud of Turin. Also discussed is human foot development and an analysis of footwear as mentioned in other UFO research.