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Engineer course in topography (1922)

U.S. Army Command and General Staff College · Fort Leavenworth, Kan. : The General Service Schools Press · leaf 160

An illustration from Engineer course in topography, 1922, leaf 160
-^. soo ?~> Put in 20 Contours.Figure Til 150 TOPOGRAPHY (ogojl 2 … Put in 20-foot contours.Figure T12

Military topography · Maps, Military

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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