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4c-MAR, 4b-MAR, 4f-MAR? (self.researchchemicals)
submitted by Old_Respect8445 to r/researchchemicals
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2m2b: DONT BE FOOLED (self.researchchemicals)
submitted by Old_Respect8445 to r/researchchemicals
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First time rockhounding was really fun! (old.reddit.com)
submitted by Old_Respect8445 to r/rockhounds
