au.\*:("RILEY CV")
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RECLAMATION AND MINE TIP DRAINAGE IN EUROPE.RILEY CV; RINIER JA.sdIN: FOURTH SYMP. COAL MINE DRAIN. RES. PREPR.; PITTSBURG; 1972; MONROEVILLE CMD RES. SYMP. C-O BITUM. COAL RES.,, P. 1 A 14Miscellaneous
