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Dette verket har blitt frigitt til allmennheten av opphavspersonen RafaelG at engelsk Wikipedia. Dette gjelder på verdensbasis. I enkelte land kan dette være juridisk umulig. I så fall: RafaelG gir hvem som helst retten til å bruke dette verket for ethvert formål, uten noen vilkår, med mindre slike vilkår kreves ved lov.Public domainPublic domainfalsefalse

Orginal opplastningslogg

Upload date | User | Bytes | Dimensions | Comment

• 2011-03-15 23:24 (UTC) | RafaelG | 49138 (bytes) | 861×418 |
• 2011-03-15 23:22 (UTC) | RafaelG | 49138 (bytes) | 861×418 | added 16-17-18th centuries
• 2011-03-14 01:48 (UTC) | RafaelG | 45927 (bytes) | 861×418 | Author: Me. Source of the data: Greenland Ice Core Evidence of Hemispheric Lead Pollution Two Millennia Ago by Greek and Roman Civilizations, Hong. S. et al., Science, vol. 265, 23 September 1994, page 1842.