f. Route selection techniques follow: (1) Circumnavigation. (a) Find a prominent landmark on the opposite side of the obstacle. (b) Contour around obstacle to landmark. (c) Resume your route of travel. (2) Dogleg and 90 degree offset (Figure 2-9). (3) Straight-line heading as follows: (a) Maintain heading until reaching destination. (b) Measure distance by counting the number of paces in a given course and convert to map units.