01351cam a2200349Ka 4500006865518MiAaHDL20250726000000.0m d cr bn ---auaua990620s1932 dcua f000 0 eng d(MiU)990068655180106381sdr-miu.990068655180106381(MiU)MIU01000000000000006865518-goog(OCoLC)41574099(MiU)Aleph006865518QPCQPCLHLBOMRIUtOrBLWn-us-paBMRAC 22.12:3146Leitch, R. D.Acidity of drainage from high pyritic coal areas in Pennsylvania /by R.D. Leitch.[Washington, D.C.] :United States Bureau of Mines,1932.15 p. :ill. ;27 cm.texttxtrdacontentcomputercrdamediaonline resourcecrrdacarrierReport of investigations / United States Department of the Interior, Bureau of Mines ;3146Mode of access: Internet.WaterPollution.http://id.loc.gov/authorities/subjects/sh85145467Acid mine drainagePennsylvania.United States.Bureau of Mines.http://id.loc.gov/authorities/names/n79063444http://id.loc.gov/rwo/agents/n790634443901507756754600686551820241218050501.020250726000000.020260228140658.02026-03-01T18:54:07Z2026-03-01T18:30:03ZSDR-MIUmiuALMAprepare.pl-004-009BKsdr-miu.990068655180106381MiUSDRGWLA006865518mdp.39015077567546MIU990068655180106381MIUGWLA20260301googlemdp.390150775675461932pdbibUS fed doc