Mobile and Ohio Railroad
On September 13 , 1940 it was merged with the Gulf , Mobile and Northern Railroad to form the Gulf , Mobile and Ohio Railroad . 
<triplet> Gulf, Mobile and Northern Railroad <subj> Gulf, Mobile and Ohio Railroad <obj> replaced by <triplet> Gulf, Mobile and Ohio Railroad <subj> Gulf, Mobile and Northern Railroad <obj> replaces <subj> Mobile and Ohio Railroad <obj> replaces <triplet> Mobile and Ohio Railroad <subj> Gulf, Mobile and Ohio Railroad <obj> replaced by