My professor told me to ignore surface finds at a dig site in New Mexico, but that's exactly where we found a 300-year-old trade bead. | Archaeology Discoveries - SMM Buzz
Heard a geologist on a podcast say that exact thing, @lindaowens. They argued that water movement can sort and concentrate good material, leaving the junk behind. Your old boss's advice seems like it would make you miss the good spots. Makes you wonder how much gets overlooked by following the standard rules, right?