During their four seasons in Range Creek, the teams had plotted the GPS coordinates of every site they'd found and recorded the location of every potsherd, arrowhead, and metate.
He found them covered with human bones, potsherds, arrowheads, and other stone artifacts. " It was all there just lying on the sand, " he told me, " everywhere you looked."
GPS，
录每一个具有考古价值的陶片，箭头和研磨石被发现的具体位置。
头、
片
