Large scale planar geological mapping, profiling survey and microfabric analyses proved that lithophysa structure was developed in rhyolite in Yingcheng coal mine area, Jiutai City.
All figures, diagrams, maps, and graphs must include clear, legible images, and appropriate legend, north arrow, scale bar(s), coordinate system(s) and grids.
But if you are a geographer charged with the task of mapping France's contours, saying that France is hexagonal might cost you your union card; a greater degree of detail and fineness of scale is required of mapmakers.