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SIRIUS North Africa tour 1991.  Outflow from  zinc extraction plant,  Ghazaout, Algeria.  The zinc is treated in sulphuric acid which is  eventually discharged into the sea.  The sea, land and atmosph
1 Sep, 1991
SIRIUS North Africa tour 1991. Outflow from zinc extraction plant, Ghazaout, Algeria. The zinc is treated in sulphuric acid which is eventually discharged into the sea. The sea, land and atmosph
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