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Drawing of type 2 excavating tool (spade-like) from the Julien site.
Milner, G. R. 1984. The Julien Site. American Bottom Archaeology, FAI-270 Site Reports, Vol. 7. University of Illinois Press, Urbana. Fig. 36, p.85
Image courtesy of the Board of Trustees of the University of Illinois and the Illinois Transportation Archaeological Research Program.