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Technical Drawing
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Landform Drawings
These are vertical distances above a common datum, reference plane, or point:
Plats
Elevations
Traverse
Profiles
Correct Answer:
Elevations
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Landform Drawings
These are special installations of stone or concrete marking the locations of points accurately determined by precise surveying:
A contour interval is the horizontal distance between horizontal planes passing through successive contours.
Engineering maps are typically made for special projects as an aid to locations and construction.
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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