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Landform Drawings
Engineering maps are typically made for special projects as an aid to locations and construction.
True
False
Correct Answer:
True
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Landform Drawings
Nautical maps and charts show prominent landmarks used for air navigators.
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.
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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.
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