▁every ▁level ▁of ▁the ▁b ureau c racy . ▁Once ▁emp ower ed ▁to ▁ere ct ▁a ▁mission ▁in ▁a ▁given ▁area , ▁the ▁men ▁assigned ▁to ▁it ▁chose ▁a ▁specific ▁site ▁that ▁featured ▁a ▁good ▁water ▁supply , ▁plenty ▁of ▁wood ▁for ▁fires ▁and ▁building ▁materials , ▁and ▁am ple ▁fields ▁for ▁gra zing ▁her ds ▁and ▁raising ▁cro ps . ▁The ▁pad res ▁bl essed ▁the ▁site , ▁and ▁with ▁the ▁aid ▁of ▁their ▁military ▁esc ort ▁fashion ed ▁temporary ▁sh el ters ▁out ▁of ▁tree ▁lim bs ▁or ▁driven ▁st akes , ▁roof ed ▁with ▁that ch ▁or ▁re eds ▁( ca ñas ). ▁It ▁was ▁these ▁simple ▁h uts ▁that ▁ultimately ▁gave ▁way ▁to ▁the ▁stone ▁and ▁ad obe ▁buildings ▁that ▁exist ▁to ▁the ▁present . ▁ ▁The ▁first ▁priority ▁when ▁beginning ▁a ▁settlement ▁was ▁the ▁location ▁and ▁construction ▁of ▁the ▁church ▁( ig lesia ). ▁The ▁majority ▁of ▁mission ▁san ctu aries ▁were ▁orient ed ▁on ▁a ▁roughly ▁east – west ▁axis ▁to ▁take ▁the ▁best ▁advantage ▁of ▁the ▁sun ' s ▁position ▁for ▁interior ▁ill um ination ; ▁the ▁exact ▁alignment ▁dep ended ▁on ▁the ▁ge ographic ▁features ▁of ▁the ▁particular ▁site . ▁Once ▁the ▁spot ▁for ▁the ▁church ▁had ▁been ▁selected , ▁its ▁position ▁was ▁marked ▁and ▁the ▁remainder ▁of ▁the ▁mission ▁complex ▁was ▁laid ▁out . ▁The ▁work sh ops , ▁k itch ens , ▁living ▁qu arters , ▁stor ero oms , ▁and ▁other ▁anc ill ary ▁ch amb ers ▁were ▁usually ▁grouped ▁in