My favorite lecturer on geology, and most things, is having informal lectures from his backyard. There are a variety of subjects and this one is Pacific Northwest Tectonics.
Nick on the Rocks Lives on.
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- SwordfishMining
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- Location: Denio, NV USA
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Nick on the Rocks Lives on.
I'll jump over my shadow. https://www.virginvalleyopal.com"
Opals & more at my ESTY store https://swordfishmining.etsy.com"
Opals & more at my ESTY store https://swordfishmining.etsy.com"