A system for preserving potentially useful industrial and municipal wastes 18 wherein the upper side of said container support structure is characterized in having a plurality of spaced depressions therein, {HEAD ~ each} of said depressions being defined by {TAIL ~ a plurality} of contiguous surfaces of said container support structure; and 
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A system for preserving potentially useful industrial and municipal wastes 18 wherein the upper side of said container support structure is characterized in having a plurality of spaced depressions therein , { HEAD ~ each } of said depressions being defined by { TAIL ~ a plurality } of contiguous surfaces of said container support structure ; and
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