Field operations and elementary motor vehicle engineering lectures (1919)
United States. Motor transport corps. [from old catalog] · Washington, D.C. [Govt. print. off.] · leaf 68
oTK.—An excellent discussion of the use of contour lines will befound on the l)ack of niai)s issued by the (leolog-ical Survey.) ACIIOKXTS OF TlIK Sl^KFACK. . This inchules all elevations or depressions upon the surface of theoround. whcthei natural or artificial, which might be an aid orhindrance…
United States. Army · Automobiles, Military
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