“…Mississippian archaeology, which spans the centuries before European contact in the southeastern USA, can be greatly enhanced by prospection techniques (e.g. see Bigman et al ., ; Butler et al ., ; Hargrave, ; Lockhart et al ., ). Although archaeological features on many North American sites are subtle, Mississippian features tend to be prominent, producing high‐contrast geophysical signatures – especially magnetically (Johnson et al ., ).…”