For this lab exercise, you are given a base map with spot elevations marked at numerous points within the map area. Create a topographic map of this area. Use contour interval of 10 ft. Use a bold line to draw the 1400, 1450, and1500 contours, and label those contours by interrupting those lines in a few places. Use finer lines for the other contours. Follow the rules for contouring, and continue until all areas of the map are contoured.
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Wonder why I suggest that you not let triangle sides that make up the TIN cross the ... Similarly, the smaller the contour interval you intend to use, the more spot ... Now draw ticks to mark the points at which elevation contours intersect each triangle side. ... How does your finished map compare with the one I drew below?
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Spot elevation: A point on a map where height above mean sea level is noted, usually by a dot and elevation value; it is shown wherever practical (road intersections, summits, lakes, large flat areas and depressions). ... Topography: Surface features both natural and man-made, collectively depicted on topographic maps.
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