(3d6)[14] on Observation 15 (15 skill, +3 scope, +5 extra time, -8 range)

(3d6)[12] on Stealth 16
(3d6)[6] on Observation 15
(3d6)[3] on Traps (Per) 15
(3d6)[13] on Tracking 13 (modified by tracks age, terrain, and extra +6 if it's group of men)
(3d6)[10] on Search 15