Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters, to the Office of the Chief of Naval Operations
Chronological Copy. File No.
Cablegram Sent April 9, 1918 MJK
To Opnav Washington (Buord) Serial No. 6251
Prep. by M-4 SX D.R.
6251. Your 2345. British now laying mines area B, may desire shift activities soon to area C, in which case circumstances may render advisable laying surface mines area C immediately upon completion deep mining this area. 6000 mines fitted with mooring ropes 170 fathoms long required for laying 2 rows surface mines area c, no storage these mines available this side. Request 6000 mines be prepared in United States for area C in readiness for shipment when required and that necessary experimental work be undertaken to perfect and test method of laying these mines in water up to 170 fathoms. 17109. 6251
Source Note: Cy, DNA, RG 45, Entry 517B. The time/date stamp was originally located below the signature, but someone crossed it through and handwrote it at the end of the text.