12 Replies to “Contest #415”

  1. Alcoa tailings ponds, near Postans, Western Australia (suburb of Perth)
    -32.198874° 115.826498°

  2. 32°11’54.20″S 115°49’31.25″E
    Alcoa Tailing Ponds, LOT 100 Hope Valley Rd
    Hope Valley WA 6165, Australia

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