r-v

Updated: June 6, 2025

That is all traveling is valley, hill, valley, hill, valley, etc., though you wander till the crack o' doom. And so your map travels must go valley, hill, valley, hill till you run off the map or come back to the starting point. On the map, follow the R-V line, V indicating valley and R ridge or hill. The streams flow down the valleys, and the sharp angle of the contour points always up stream.

United States. War Dept. - Manual for Noncommissioned Officers and Privates of Infantry of the Army of the United States, 1917 : To be used by Engineer companies (dismounted) and Coast Artillery companies for Infantry instruction and training