X:NOGRN, CHEMICAL TREATMENT OF INVASIVE, NON-NATIVE VEGETATION TO CONTROL EXOTIC SPECIES OF THREE HUNDRED NINE (309) NET CANOPY ACRES TARGETED AT SIX NATIONAL PARK SERVICE UNITS; VICKSBURG NATIONAL MILITARY PARK (VICK), VICKSBURG, MISSISSIPPI, NATCHEZ TRACE PARKWAY (NATR), TUPELO, MISSISSIPPI, SAN ANTONIO MISSIONS NATIONAL HISTORICAL PARK (SAAN) IN SAN ANTONIO, TEXAS, THE BIG THICKET NATIONAL PRESERVE (BITH) NEAR KOUNTZE, TEXAS, JEAN LAFITTE NATIONAL HISTORICAL PARK AND PRESERVE (JELA) NEAR HARVEY, LOUISIANA AND GULF ISLAND NATIONAL SEASHORE (GUIS) NEAR OCEAN SPRINGS, MISSISSIPPI. HERBICIDE APPLICATION SHALL BE THE PRIMARY CONTROL METHOD USED. GARLON 4, GARLON 3A, RODEO OR HABITAT OR THEIR CHEMICAL EQUIVALENTS WITH PRIOR NPS APPROVAL.