A topographic map is a detailed and accurate graphic representation of cultural and natural features on the ground. These are a variety of maps characterized by large-scale detail and quantitative representation of relief, usually using contour lines in modern mapping. A cadastral map is a map showing boundaries and ownership of land. Some cadastral maps show, as well as boundaries and ownership details, such details as Survey District Names, Block Numbers (within each Survey District), Certificate of Title numbers, positions of existing older structures, government described runhold section and/or lot numbers and their respective areas, adjoining and adjacent street names, selected boundary dimensions and references to prior founding maps.