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Draining thru Point A. 1. Delineate Ridge lines. 2. Perpendicular to contours from valley. A. B. Draining thru Point B. 1. Ridge line. 2. Perpendicular to contours from valley. B.
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Draining thru Point A 1. Delineate Ridge lines 2. Perpendicular to contours from valley A B
Draining thru Point B 1. Ridge line 2. Perpendicular to contours from valley B