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Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters, to the Office of the Chief of Naval Operations


Cablegram sent Feb. 16, 1918 MJK

Opnav Washington    4049

[G8?]     COS1     21 ADR    VERY SECRET

4049. My 3069.2 The matter of proclamation defining mine fields is still under consideration. British Government thinks one months warning ample and expects to issue proclamation about second week of March. 22516.


Source Note: Cy, DNA, RG 45, Entry 517B.

Footnote 1: Capt. Nathan C. Twining, Sims’ chief of staff.

Footnote 2: See: Office of the Chief of Naval Operations to William S. Sims, 15 January 1918. This document discusses the boundaries of the North Sea Mine Barrage, and announces a department policy that the British Admiralty should issue a notification warning Allied and neutral shipping of the existence of the mine barrage.

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