What's the difference between mine construction survey and topographic survey?

Mine survey refers to the surveying and mapping work for mine planning and design, exploration and construction, production management and mine scrapping in the process of mine construction and mining.

Topographic survey refers to the work of surveying and mapping topographic maps. That is, measure the projection position and elevation of the earth's surface features and topography on the horizontal plane, reduce it according to a certain proportion, and draw a topographic map with symbols and notes. Aerial photogrammetry is basically used in topographic mapping, and aerial photographs are mainly used for indoor mapping. However, for topographic maps with small area or required by engineering construction, the flat plate survey method is used for field mapping.