English operator: Panoramio described at URL: https://web.archive.org/web/20161102124910/http://www.panoramio.com/photo/125895270...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030181626/http://www.panoramio.com/photo/125895382...
https://creativecommons.org/licenses/by/3.0CC BY 3.0 Creative Commons Attribution 3.0 truetrue English Lomonosov diamond deposit, Arkhangelsk kimberlite pipe open pit...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103122218/http://www.panoramio.com/photo/130202737...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011090231/http://www.panoramio.com/photo/2566563...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103122207/http://www.panoramio.com/photo/130202735...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017163658/http://www.panoramio.com/photo/45213935...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017163659/http://www.panoramio.com/photo/45213936...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102034345/http://www.panoramio.com/photo/125895247...
English operator: Panoramio described at URL: https://web.archive.org/web/20161018001014/http://www.panoramio.com/photo/45213945...
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