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<br />EMPIRE ENERGY, NO. 1 STRIP PIT <br />SOLIDS, DISSOLVED <br />1600 <br />1500 <br />1400 <br />1300 <br />1200 <br />J <br />~ 1100 <br />loon <br />900 <br />ci <br />c <br />~ 600 <br />N <br />1982 1983 1984 1985 1986 1987 1988 1969 1990 <br />