PADEP Citizens Advisory Council Comments on Act 54 Report As we reported previously, in December 2014 the Pennsylvania Department of Environmental Protection (PADEP) released the fourth report in a series that details the effects of underground mining on structures and water resources from 200 8 to 2013. See PADEP, "The Effects of Subsidence Resulting from Underground Bituminous Coal Mining, 2008-2013" (Dec. 30, 2014); Vol. XXXII, No. 1 (2015) of this Newsletter. Pennsylvania's Act 54, which amended the Bituminous Mine Subsidence and Land Conservation Act, requires PADEP to present a report every five years that analyzes the effects of deep mining, including longwall, pillar recovery, and traditional room-and-pillar mining techniques, on subsidence and water resources. 52 Pa. Stat. Ann. § 1406.18a.
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