Answers. Best Answer: Some maps use hachure marks to show surface relief. Hachure marks are defined as multiple crossing lines that create a shaded definition on either maps or drawings. In topography, they are used to define surface relief.They are also known as tick marks..achure marks are defined as multiple crossing lines that create a shaded definition on either maps or drawings. In topography, they are used to define surface relief. They are also known as tick marks..