A map is any representation usually on a flat surface of the whole or a part of an area. Therefore, It would cross a canyon with a river running through it.
In mapping, a topographic map or topographic sheet is a type of map characterized by large-scale detail and quantitative representation of relief features, usually using contour lines, but historically using a variety of methods.
It is a type of map that shows heights that you can measure. A traditional topographic map will have all the same elements as a non-topographical map, such as scale, legend, and north arrow.
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