So the first two are the steps and exercise but the last is mine is it correct??
ID: 111573 • Letter: S
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So the first two are the steps and exercise but the last is mine is it correct??? I feel like it is drawn strange 100 80 120 100 160 120 140 100 100 160 120 140 e120 Contour Interval= 20 Feet Tunnel or mine Figure 1.6 Dixie Mine Contour. Illustration by Don Vierstra. Instructions and Observations Look at the Dixie Mine contour (Figure 1.6) and note areas that are surrounded by lower and upper elevations. Also look for areas where there might be a repeat of a contour line indicating a change in slope direction. Step 1: Use a contour interval of 20 feet so that each contour line represents a change of 20 feet in elevation above mean sea level. Begin by locating the highest points on the map, and then draw a contour line by connecting the points having that elevation. Step 2: Find the next highest points on the contour map and connect them, remembering that contour lines tend to be concentric. Continue drawing Step 3: contour lines until you have lines passing through all of the spot elevations. You may need to redraw lines to make them concentric with lines above or below them. Lesson 1/ Topographic Maps 15
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