From FIG 5 it will also be seen that the mats 10 and 20 assume complemental juxtaposed condition when nested together with the fold line between the floor portion FP and upright portion UP of the face mat 10 coinciding with {TAIL ~ the fold line} between the base portion BP and bent up portion BU of {HEAD ~ the soil} reinforcing mat 20 
From FIG 5 it will also be seen that the mats 10 and 20 assume complemental juxtaposed condition when nested together with the fold line between the floor portion FP and upright portion UP of the face mat 10 coinciding with { TAIL ~ the fold line } between the base portion BP and bent up portion BU of { HEAD ~ the soil } reinforcing mat 20
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