Earl G Williamson Park 11425 Highway 1 S Oil City, LA 71061 Phone : (318) 995-7139 Business Category Campgrounds Parks & Playgrounds Recreational Vehicle Parks & Campsites Amusement & Recreation Caddo Parish Of--department Of Parks & Recreation, Earl G Williamson Park 430 Highway 1 Oil City, LA 71061 Phone : (318) 995-7139 Business Category Government Offices-County Government Offices & Public Schools