Sunday, November 21, 2021
https://youtu.be/npzapw0DkrU
November 20, 2021. Visit to San Juan, Argentina on my 63 years old birthday.
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About Me
- Ricardo Valls
- Toronto, Ontario, Canada
- As a professional geologist with more than nineteen years in the mining industry, I have extensive geological, geochemical, and mining experience, managerial skills, and a solid background in research techniques, and training of technical personnel.