Revision history of "Gilsonite"

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  • (cur | prev) 16:48, 1 July 2015Wikiadmin (talk | contribs). . (1,680 bytes) (+1,680). . (Created page with "== Description == Gilsonite is a bitumen-impregnated rock (asphaltite). It is a naturally occurring solid hydrocarbon bitumen. thumb|caption *Bulk mate...")