Military map reading and sketching :
Sherrill, C. O. 1876-1959
Military map reading and sketching : including contouring by Major C. O. Sherrill, corps of Engineers, U.S. Army. - Menasha, Wis.: George Banta publishing company, [c1917]. - 147 p. : illus., diagrs. ; 19 cm. - 528.9:355/359 (NLA) .
Military maps.
Military topography.
528.9:355/359 (NLA)
Military map reading and sketching : including contouring by Major C. O. Sherrill, corps of Engineers, U.S. Army. - Menasha, Wis.: George Banta publishing company, [c1917]. - 147 p. : illus., diagrs. ; 19 cm. - 528.9:355/359 (NLA) .
Military maps.
Military topography.
528.9:355/359 (NLA)