"site_type" "farm" "villa" "agricultural building" "field system" "fort" "funerary site" "shrine" "RC temple" "pottery production" "tile production" "iron production" "other metal production" "mill" "salt production" "walled 'small town'" "unwalled 'small town'" "road" "mansio" "village" "Isolated building" "jetty/bridge" "vicus" "quarry" "other military" "other industry" "oppidum" "hillfort" "port" "cave"