Nautical maps and charts show prominent landmarks used for air navigators.

More Questions from Landform Drawings

• An elevation drawing consists of a series of intersecting straight lines of accurately measured lengths.
• On a single contour line, all points have the same elevation.
• Topography is the science or art of map making.
• Commonly, elevations are referenced to mean sea level.
• A plat typically shows elevations.
• Differential leveling is the process of using a level and a telescope to determine differences in elevation.
• The bearing of a line is its angle from magnetic south.
• Hatchures are short, parallel, or slightly divergent lines drawn in the direction of a slope.
• Before highway construction begins, it is usually necessary to plan the horizontal and vertical location and alignments.
• Monuments marking surveying points are typically not intended to be permanent.

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