1. Johnson Surveying 951 Dow Rd, Collinsville, MS 39325 Coordinate: 32.63342,-88.89533 Phone: (601) 986-2516
2. US Army Corps of Engineers 8490 Okatibbee Dam Rd, Collinsville, MS 39325 Coordinate: 32.47538,-88.81296 Phone: (601) 626-8431