Stuart, Edwin Roy, 1874- · New York, McGraw-Hill · leaf 75
£0 SO g60 J hK60 (C)Fig. 23—Col or Saddle. … of the ridge in either direction, whereas the ground would falltoward the stream on each side. The map contours representing MAP READING 61 the col or saddle are shown in (b), Fig. 23. In this form thehighest pair of valley contours, e and /, in (c), Fig. 23, are alwaysa contour interval lower than…
Military sketching · Maps, Military
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