Gold_heap_leaching.jpeg (728 × 480 pixels, file size: 73 KB, MIME type: image/jpeg)
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17:50, 3 November 2007 |
![]() | 728 × 480 (48 KB) | Metallos~commonswiki | {{Information |Description=Cyanide leaching "heap" at a gold mining operation near Elko, Nevada. |Source=[www.fws.gov/news/issues/cyanide3.html] |Date=1992 |Author=see Source. |Permission= |other_versions= }} |
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