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By [SANXING PRESS], c1931].
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By SCHOOL OF MILITARY ENGINEERING, CHATHAM, May, 1911.
By HORSBURGH, James, July 1831 corrections to 1841.
By WAR OFFICE, GEOGRAPHICAL SECTION, GENERAL STAFF, 1922.
By NORIE, John William, Jan.y 1st, 1821, additions to 1832.
By BRITISH WAR OFFICE, Aug[ust] 1945.
By HYDROGRAPHIC OFFICE, New Edition 27th Dec., 1922. Small corrections to 1923.


