 For more information about the event, contact the Natchitoches Chamber of Commerce or contact Dustin Dozat at NatchitochesChamber.com. That's D-U-S-T-I-N dot D-A-U-Z-A-T at NatchitochesChamber.com. The Louisiana Department of Transportation and Development is letting motorists know that those who use sections of Highway 1239 in Grant Parish that on Monday, July the 8th, construction will begin, weather permitting.