Ibiza & Formentera.
Great Britain.War Office.General Staff.Geographical Section.
London : War Office,
1942.
In upper margin: Balearic islands 1:100,000.
"Contour interval 50 metres.".
Military grid.
Five classes of roads or paths, three classes of railroads, and areas of woods and intensive culivation are shown.
Marginal map: Reliability diagram.
Inset: Index to adjoining sheets and incidence of grid letters.