Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 30
Strean»_*d*i5fart3a» °**lSiS*V> Bridge Ferry(Vehicles) Fig. 4.—Characteristic Sheet for English Ordnance Survey. ments built to carry lines over valleys and other depressions.These features are important from the military standpointas they would furnish cover for troops and in engineeringwork… … Fig. 5.—Portion of the Swansea and Merthyr Tydfil Sheet (No. 102) of theOrdnance Survey of England and Wales. Scale 1 in. = 1 mile. Original in colors. 14 WHAT A TOPOGRAPHIC MAP SHOWS railroad, for example, either above grade (overhead crossing)or below grade instead of using the objectionable…
Cartography · Military maps
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