▁discovered ▁gold ▁in ▁the ▁San ▁Juan ▁River ▁and ▁tried ▁to ▁recover ▁the ▁gold . ▁The ▁N it in at ▁N atives ▁sla ugh tered ▁the ▁Spanish ▁expedition . ▁Two ▁Spanish ▁women ▁were ▁taken ▁as ▁slaves . ▁The ▁women ▁were ▁later ▁released ▁to ▁another ▁Spanish ▁expedition ▁who ▁discovered ▁them . ▁The ▁later ▁expedition ▁in ad vert ently ▁inf ected ▁the ▁N it in at ▁N atives ▁with ▁small po x . ▁There ▁is ▁some ▁evidence ▁to ▁support ▁this ▁story . ▁Spanish ▁ships ▁such ▁as ▁the ▁Santiago ▁investig ated ▁the ▁west ▁coast ▁in ▁the ▁ 1 7 0 0 s . ▁There ▁are ▁also ▁records ▁of ▁attacks ▁on ▁Spanish ▁by ▁First ▁Nations . ▁This ▁is ▁the ▁first ▁alleg ed ▁discovery ▁of ▁gold ▁in ▁the ▁San ▁Juan ▁River . ▁ ▁F oster ' s ▁Lost ▁Mine ▁In ▁ 1 8 8 5 ▁an ▁American ▁prospect or ▁named ▁F oster ▁found ▁gold ▁in ▁the ▁San ▁Juan ▁River . ▁F oster ▁returned ▁in ▁ 1 9 0 7 ▁to ▁find ▁more ▁gold . ▁Every ▁year ▁F oster ▁returned ▁looking ▁for ▁the ▁gold . ▁He ▁returned ▁year ▁after ▁year ▁because ▁he ▁couldn ' t ▁find ▁the ▁original ▁spot ▁on ▁the ▁San ▁Juan ▁River . ▁F oster ▁died ▁in ▁ 1 9 1 7 ▁in ▁Salt ▁Lake ▁City . ▁The ▁people ▁of ▁Port ▁Ren f rew ▁heard ▁about ▁F oster ' s ▁search . ▁Many ▁people ▁from ▁Port ▁Ren f rew ▁searched ▁all ▁over ▁the ▁San ▁Juan ▁River ▁looking ▁for ▁F oster ' s ▁old ▁gold ▁site . ▁It ▁was