▁the ▁stock ▁market , ▁becoming ▁a ▁key ▁player ▁in ▁the ▁San ▁Francisco ▁Stock ▁Exchange . ▁ ▁He ▁later ▁started ▁a ▁brick - man ufact uring ▁plant ▁at ▁Pow ell ▁and ▁Union ▁Stre ets , ▁producing ▁building ▁materials ▁that ▁were ▁used ▁to ▁construct ▁the ▁U . S . ▁M int , ▁Fort ▁Point ▁and ▁the ▁fort ▁on ▁Al cat raz ▁Island . ▁ ▁Sarah ▁Bald win ▁lost ▁two ▁inf ants ▁and ▁in ▁ 1 8 6 2 , ▁the ▁Bald w ins ▁divor ced . ▁During ▁ 1 8 7 5 - 7 6 , ▁he ▁built ▁the ▁op ul ent ▁Bald win ▁Hotel ▁and ▁Theater , ▁located ▁on ▁Pow ell ▁Street ▁at ▁the ▁corner ▁of ▁Market ▁Street , ▁near ▁the ▁Union ▁Square ▁area . ▁He ▁was ▁res cu ed ▁from ▁his ▁rooms ▁when ▁the ▁entire ▁building ▁was ▁destroyed ▁by ▁fire ▁in ▁ 1 8 9 8 . ▁ ▁Inv ests ▁in ▁mine ▁stock ▁▁ ▁When ▁the ▁great ▁Com stock ▁L ode ▁was ▁discovered ▁in ▁Nev ada ▁in ▁ 1 8 5 9 , ▁he ▁arrived ▁with ▁a ▁load ▁of ▁tim ber , ▁which ▁he ▁sold ▁and ▁then ▁bought ▁a ▁li very . ▁He ▁made ▁money ▁on ▁several ▁vent ures . ▁In ▁payment ▁for ▁a ▁deb t , ▁he ▁received ▁ 2 , 0 0 0 ▁shares ▁of ▁the ▁O ph ir ▁Mine , ▁which ▁was ▁then ▁worth ▁a ▁few ▁c ents ▁a ▁share . ▁Using ▁his ▁prof its , ▁he ▁slowly ▁inv ested ▁in ▁several ▁mines : ▁the ▁H ale ▁& ▁Nor cross