This colorful river emptied into the sea until 1853, when its course shifted to empty into the Gulf of Chihli
[DOC] [TLE] Drawing a Line: Encounters with the U.S.-Mexico Border | KCET [PAR] Nov 13, 2012 ... Just after crossing the Arizona state line on I-8 into California, ... line between the 
two Republics shall commence in the Gulf of Mexico, ... of the said river, until it 
empties into the Rio Colorado; thence across .... between the park and the border 
fence, open to the sea on its west side.