▁Both in ▁Marsh ▁is ▁situated ▁not ▁far ▁from ▁Tri angle ▁Marsh , ▁although ▁the ▁latter ▁is ▁situated ▁on ▁the ▁northern ▁edge ▁of ▁the ▁Tib ur on ▁Pen ins ula . ▁It ▁is ▁likely ▁that ▁Native ▁Americans ▁gathered ▁est u ar ine ▁resources ▁from ▁Both in ▁Marsh , ▁as ▁they ▁did ▁from ▁nearby ▁Tri angle ▁Marsh . ▁ ▁History ▁Jo ▁Jul in ▁was ▁instrument al ▁in ▁the ▁pres ervation ▁of ▁Both in ▁Marsh ▁in ▁the ▁early ▁ 1 9 7 0 s , ▁when ▁developers ▁attempted ▁to ▁d rain ▁the ▁mar sh ▁in ▁order ▁to ▁begin ▁construction . ▁▁ ▁Today ▁the ▁Both in ▁Marsh ▁Open ▁Space ▁Pres erve ▁provides ▁habitat ▁for ▁hundreds ▁of ▁native ▁bird ▁and ▁wild life ▁species , ▁including ▁the ▁end anger ed ▁salt ▁mar sh ▁har vest ▁mouse ▁and ▁R id g way ' s ▁rail . ▁It ' s ▁also ▁a ▁rest ing ▁stop ▁for ▁over ▁ 4 0 0 ▁species ▁of ▁mig rat ory ▁birds ▁travel ing ▁on ▁the ▁Pacific ▁Fly way . ▁ ▁References ▁ ▁Category : Mar sh es ▁of ▁California ▁Category : Land forms ▁of ▁Mar in ▁County , ▁California ▁Category : W et lands ▁of ▁the ▁San ▁Francisco ▁Bay ▁Area ▁Category : T ib ur on , ▁California ▁Category : N atural ▁history ▁of ▁Mar in ▁County , ▁California ▁Category : Pro te cted ▁areas ▁of ▁Mar in ▁County , ▁California ▁Category : San ▁Francisco ▁Bay ▁Tra il <0x0A> </s> ▁Hans ▁von ▁D ach ▁( 1 9 2 7 – 2 0 0 3 )