@prefix rdfs: . @prefix foaf: . rdfs:label "RDF description of 72" ; ; foaf:primaryTopic . ; rdfs:label "72" ; ; "Linear ditch aligned north-south Extent in plan 10.2 m x 0.85 m, depth (no depth recorded****). Profile is shallow with concave sides and a slightly concave base." ; ; , ; , , , , , , , , , .