Set includes various issues of some sheets, some reissued by U.S. Army Map Service. G.S.G.S. first edition, 1941, includes 5 sheets covering Gibraltar and adjacent territory. No more published? "Contours at 50 metres vertical interval." Elevations also shown by spot heights. Two classes of railroads with distances in kilometers, and vegetation cover are indicated. "The graticules ... are in grads. Degree values (longitude from Madrid) are given on the outside border. Madrid is 3⁰41'14.55" west of Greenwich." Copied from Spanish maps. Marginal map: Index to adjoining sheets.
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