PHELPS DODGE CORP <PD> 3RD QTR NET Shr 1.77 dlrs vs 60 cts Net 58.2 mln vs 19.4 mln Revs 377.4 mln vs 188.0 mln Nine mths Shr 3.10 dlrs vs 1.51 dlrs Net 100.3 mln vs 50.6 mln Revs 1.11 billion vs 639.7 mln NOTE: 3rd qtr 1987 net includes about 3,000,000 dlrs after-tax extraordinary gain on retirement of debt.