{HEAD ~ A retaining wall} for an earthen formation uses {TAIL ~ welded wire face mats} having upright portions secured to one another and spanning the distance between successive lifts of the wall at the face of the formation 
{ HEAD ~ A retaining wall } for an earthen formation uses { TAIL ~ welded wire face mats } having upright portions secured to one another and spanning the distance between successive lifts of the wall at the face of the formation
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