American tanker under repair at Geno, Italy after hitting a mine according to the Kriegsnachrichten of the Chef des Admiralstabes der Marine dated Berlin 9 August 1917

An item reported that according to the German naval attache at Madrid, Spain on 3 August in mid July a large American steam tanker hit a mine in the harbour of Genoa, Italy but able to enter the harbour and needed probably 5 months of repair.

Source

Bundesarchiv RM-40-622