HomeLocalPonca PostGrand Chalk OffGrand Chalk OffTue, July 25, 2017 by Lyman JamesSHARE NOW Head to historic Grand Ave. at the Veterans’s Plaza for this years Grand Chalk Off! The artists will begin drawing at 9am on August 2 and categories will include professional artists, business and amateur. The judging will begin at 4pm and the art will be on exhibit during the crazy days street party. There will be cash prizes for winners in each category. For more information contact the Ponca City Art Center at [email protected].