a former rayon mill
... that smokestacks at a former rayon mill were stabilized by dropping bricks into them?
... that smokestacks at <b id="mwA-U"><a href="./American_Viscose_Plant_Historic_District" id="mwA-Y" rel="mw:WikiLink" title="American Viscose Plant Historic District">a former rayon mill</a></b> were stabilized by dropping bricks into them?