9.3 
" establish a commercial communication between the two 
" oceans ; for the river Coatzacoalcos might soon be made na- 
" vigable and the Boca Barra of San Francisco fitted for im- 
" mediate use." 
" A lateral line of rails for the conveyance of mails, pas- 
" sengers and merchandise might also be added to that which 
" must at first be laid down for the progress of the work." 
