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![]() Date: 2015-05-19 21:40:55California Gold Rush Hydraulic engineering Maritime history of California Hardtack Gold rush Sacramento River Mining Gold in California Gold mining | Add to Reading List |
![]() | Gold and Precious Metals from Artisanal Mining standard ESDocID: 1vePW - View Document |
![]() | © Eduardo Martino Fairtrade Standard for Gold and Associated Precious Metals for Artisanal and Small-Scale MiningDocID: 1v1iy - View Document |
![]() | The Story of one Peruvian village that stood up to the global gold mining industry - and how you can get involved may /Film june GuarangoDocID: 1uPe6 - View Document |
![]() | MINING Aurania seeking Lost Cities of Gold in Ecuador by Jennifer S. Getsinger, PhD, PGeoDocID: 1uNpy - View Document |
![]() | Perception of the Environmental Degradation of Gold Mining on Socio-Economic Variables in Eastern Cameroon, CameroonDocID: 1uD2k - View Document |