div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentcollingwood-park-mine-remediation-subsidence-control-using-title-collingwoodhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Collingwood Park mine remediation Subsidence control using · Title: Collingwood Park mine remediation Subsidence control using fly ash backfilling Image Author: CSIRO Subject: loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer2022062318604c8f54864a7d67e415b60ahtml5thumbnails1jpg width=140 height=200 divdiv