DETAILS, FICTION AND CONTOUR SURVEY IN BANGLADESH

The vertical length involving any two consecutive contours is named a contour interval. Suppose a map contains contour strains of 100 m, 98 m, 96m, and the like.Shut Spacing: When contour traces are closely packed, it signifies a steep slope. The swift alter in elevation about a brief horizontal length creates a pronounced incline.Contour traces al