Section 312 IAC 18-3-21 - Control of hydrilla (Hydrilla verticillata) (Repealed)Natural Resources Commission; 312 IAC 18-3-21; filed Nov 16, 2007, 1:44 p.m.: 20071212-IR-312070186FRA; readopted filed Sep 19, 2008, 10:23 a.m.: 20081008-IR-312080076RFA; Readopted filed 7/17/2014, 3:48 p.m.: 20140813-IR-312140105RFARepealed by Natural Resources Commission; filed 5/9/2019, 2:25 p.m.: 20190605-IR-312180508FRA