Naval History and Heritage Command

Naval History and Heritage Command

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

Subject Copy.                                File No. <16/6/7a>

Cablegram Sent November 18, 1918.  Y-29

To Opnav, Washington                         Serial No. 9952

Prep. by N-5               SX  D.R.

45 ARD   

SECRET

9952, URGENT. From chart secured today from the Germans find minefields laid on the American Coast South of Long Island as follows: Lat. 35-36-301 N. between Long. 75-15 and 75-22 W. Lat. 37-44-30 N. between Long. 74-54 and 74-57 W. Between Lat. 38-15-40 N. Long. 74-41 W. and Lat. 38-16-30 N. Long. 74-46 W. Between Lat. 39-41-20 N. Long. 73-54 W. and Lat. 39-42-30 N. Long. 73-59-30 W. Lat. 35-43 N. between Long. 74-50 and 75-12 W. Between Lat. 39-16 N. Long. 73-37 W. and Lat. 39-22 N. Long. 73-50 W. Between Lat. 36.12 N. Long. 75-09 W. and Lat. 36-18 N. Long. 75-20 W. Between Cape Henry, Smith Island, Mouth of Chesapeake, across mouth of Delaware River, two miles east of Overfalls Light. Neighborhood of Ambrose Channel Light Ship. East of Fire Island Light extending north by west and south by east for five miles. 165518 9952

Sims.         

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

Footnote 1: That is, geographic coordinates 35 degrees, 36 minutes, and 30 seconds.

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