Ichetucknee River
The Ichetucknee is a tributary of the Santa Fe River , which in turn flows into the Suwannee River before emptying into the Gulf of Mexico . 
<triplet> Santa Fe River <subj> Suwannee River <obj> mouth of the watercourse <triplet> Suwannee River <subj> Gulf of Mexico <obj> mouth of the watercourse <triplet> Gulf of Mexico <subj> Suwannee River <obj> tributary