United States. Army Map Service. North Decimal Degree 42.0000. South Decimal Degree 41.0000. East Decimal Degree -5.0000. West Decimal Degree -6.0000. Alternate title: Zamora, Spain. Polyconic projection. With Spanish-English glossary. Relief shown by 100 m. contour interval, gradient tint and spot heights. Standard map series designation: A.M.S. M581. "Compiled from Portugal, 1:50,000, Instituto Geografico, 1926-41 and undated; Spain, 1:200,000, Cuartel General del Generalisimo, sheets 23, 24, 33, 34, 1918-36; Iberian Peninsula, 1:250,000, GSGS, sheets S3672, S3664, S4864, S4872, 1941; Spain and Portugal Road Map, 1:400,000, AMS, sheet 44, Third Edition, 1943; Railways in Spain and Portugal 1:1,500,000, GSGS, 1941, revised and supplemented from Intelligence Reports, 1942-44. Partially revised from aerial photography, 1943.".
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