Meeresgold English operator: Panoramio described at URL: https://web.archive.org/web/20161103174659/http://www.panoramio.com/photo/133049447 determination...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103135627/http://www.panoramio.com/photo/133050260 determination method...
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