Palmetto Subdivision
The line notably serves The Mosaic Company's Riverview phosphate plant near the Alafia River , TECO Energy's Big Bend Power Station in southern Hillsoborough County , and Port Manatee in northern Manatee County . 
<triplet> Big Bend Power Station <subj> Hillsoborough County <obj> located in the administrative territorial entity <triplet> Hillsoborough County <subj> Manatee County <obj> shares border with <triplet> Manatee County <subj> Hillsoborough County <obj> shares border with