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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 156
785 Figure T7 Scale 1:20,000 Put in proper contours. 146 TOPOGRAPHY 917 060 96Z S30 878 … Put in 20 Contours. Figure T8 MAP REPRODUCTION 147 .617 960 962 930 880 678Military topography · Maps, Military
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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