</s> ▁Miguel ▁Cost ans ó ▁( 1 7 4 1 – 1 8 1 4 ), ▁original ▁name ▁Mi quel ▁Const an ç ó , ▁was ▁a ▁Catal an ▁engineer , ▁cart ograph er ▁and ▁cosm ograph er . ▁He ▁joined ▁the ▁expedition ▁of ▁expl oration ▁of ▁Al ta ▁California ▁led ▁by ▁Gas par ▁de ▁Port ol á ▁and ▁Jun í per o ▁Ser ra , ▁serving ▁ab o ard ▁ship ▁as ▁cart ograph er ▁and ▁on ▁land ▁as ▁engineer . ▁ ▁Biography ▁Cost ans ó ▁was ▁born ▁in ▁Barcelona ▁in ▁ 1 7 4 1 . ▁After ▁serving ▁in ▁the ▁Spanish ▁inf antry ▁in ▁coast al ▁Catal onia ▁and ▁Gran ada , ▁he ▁entered ▁the ▁corps ▁of ▁military ▁engine ers ▁in ▁ 1 7 6 2 ▁with ▁the ▁rank ▁of ▁second ▁lieutenant . ▁In ▁August ▁ 1 7 6 4 , ▁along ▁with ▁six ▁other ▁military ▁engine ers , ▁Cost ans ó ▁voy aged ▁from ▁Spain ▁to ▁Ver ac ru z , ▁Mexico ▁( New ▁Spain ), ▁where ▁they ▁formed ▁a ▁brig ade . ▁From ▁ 1 7 6 4 ▁to ▁ 1 7 6 7 , ▁Cost ans ó ▁mapped ▁the ▁coast ▁of ▁the ▁G ulf ▁of ▁Mexico ▁from ▁his ▁base ▁in ▁Ver ac ru z . ▁Upon ▁his ▁own ▁pet ition , ▁he ▁was ▁selected ▁to ▁travel ▁to ▁Son ora ▁as ▁engineer ▁for ▁the ▁expedition ▁head ed ▁by ▁brig ad ier ▁Dom ingo ▁Eliz ondo ▁to ▁suppress ▁Indian ▁reb els . ▁He ▁served ▁about ▁a ▁year ▁in ▁that ▁campaign ,