ST01I.RTB is the RTAB official survey coordinate file for Sarasota County.

Much of the County has been surveyed by the Corps or other entities for the last 10 or more years
who used their own coordinates.  This resulted in a De Facto monument control list which is in 
the file ST2017i.RTB

Monuments with coordinate changes:
1,5,6,7,10,13,20,22,64,65,115,129,134

MM 2/10/2017