“…Entwistle et al, 2007;Linderholm, 2007). Results indicate that several chemical elements occur in enriched or depleted amounts as a result of specific human activities (Table 1) and that the analysis of multiple elements can pinpoint site activity areas despite well-known issues with site formation processes (Griffith, 1980(Griffith, , 1981Holliday et al, 2010;Konrad et al, 1983;Linderholm and Lundberg, 1994;Macphail and Cruise, 2001;Matthews, 1995;Matthews et al, 1997;Middleton, 1998;Middleton and Price, 1996;Schiffer, 1972Schiffer, , 1983Schiffer, , 1987Schuldenrain, 1995), though see Varela and Dore (2010) for possible issues.…”