A comprehensive guide to understanding altitude, its types, historical context, applications, and related concepts.
A Bench Mark (BM) is a fixed physical reference point with a precisely known elevation, used in geodetic and engineering surveying.
A contour line is a line on a map that joins points of equal elevation, providing a visual representation of terrain and landscape features.
Elevation refers to the height of a point above sea level, often measured in meters or feet, and is a key concept in geography, engineering, aviation, and various scientific fields.
A topographic map provides a detailed and accurate representation of natural and man-made features on Earth's surface, including elevation, terrain, and various geographic elements.
