Line Position

With line position known, the goal is to determine point position. Knowing they are on a trail, ridge, or some other identifiable line, the climbers

Fig. 4-12. Orientation with line position known

need only one more piece of information. For example, they are on Unsavory Ridge (fig. 4-12)— but exactly where? Off in the distance is Mount Majestic. A bearing on Majestic indicates 220 degrees. Plot 220 degrees from Mount Majestic on the map. Run this line back toward Unsavory Ridge, and where it intersects the ridge is exactly where the climbers are.

Continue reading here: Area Position

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