sentences:  They were often laid out in parallel rows and the absence of overlapping burials suggests that they were marked in some way.Grave goods such as limestone disc pipes, shell beads and ear plugs, as well as small pottery jars were often included, usually near the body's upper torso.In Late Caborn-Welborn times, European trade goods such as glass beads, copper/brass bracelets and tubes were deposited in the graves.