Belgium
- Author(s):
- Great Britain. Ordnance Survey
- Description:
- Trench map of the area of Ieper, Belgium; relief shown by contours. Contour interval 5 meters. Metric grid. "Strictly confidential." "Issued by Signal Corps, U.S. Army for use in the School of Military Aeronautics"--Ypres area sheet. "Engraved and printed by the U.S. Geological Survey."
- Publisher:
- [Southampton] : The Survey, 1916.
- Place(s):
- Belgium
- Subject(s):
- Belgium—Maps, World War, 1914-1918—Belgium—Maps, World War, 1914-1918—Trench warfare—Maps, and World War, 1914-1918—Maps
- Held by:
- Princeton
- More details at
- https://catalog.princeton.edu/catalog/6933117
