a) a welded wire face mat having an upright portion of {HEAD ~ an extended height} for disposition over a portion of the face of {TAIL ~ the formation} 
a ) a welded wire face mat having an upright portion of { HEAD ~ an extended height } for disposition over a portion of the face of { TAIL ~ the formation }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL