01772cam a2200469 c 4500 122551877 DE-627 20251222200829.0 tu 930218s1993 xxu||||| 00| ||eng c (DE-627)122551877 (DE-599)GBV122551877 (OCoLC)27266832 DE-627 ger DE-627 rakwb eng XD-US TN23 TD899.M5 622 OCLC 622 s 622/.5 Aljoe, William W. aut Neutralization of acidic discharges from abandoned underground coal mines by alkaline injection by William W. Aljoe and Jay W. Hawkins Washington, D.C U.S. Dept. of the Interior, Bureau of Mines 1993 37 S Ill., Kt 28 cm Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Report of investigations / Bureau of Mines 9468 Literaturverz. S. 36 - 37 Archivierung prüfen 20240324 DE-4165 1 pdager Archivierung/Langzeitarchivierung gewährleistet 20240722 NI-LastCopies XA-DE-NI Potenzieller Alleinbesitz Niedersachsen pdager DE-89 Acid mine drainage Neutralization (Chemistry) Sodium hydroxide Abandoned coal mines Pennsylvania Hawkins, Jay W. aut USA Bureau of Mines Report of investigations 9468 946800 (DE-627)129585491 (DE-576)040085228 (DE-600)235692-2 0096-1922 am SSG-OLC-pha 195928466 DE-89 89 GBV c Z 2250(9468) Haus2 195928474 DE-89 89 GBV c Z 2250(9468) a Haus2 BO