Oh Yea? Was it historically correct that Dunkirk had a minefield in October 1939???

From what I've seen, the following ports are always bustling with ships:

Scapa Flow (1939-40 only, really)
Loch Ewe (Usually has about 20-30k worth of tonnage, more if 1940 or later)
Boston
NYC
Galveston (again, not a ton, but consistent for the times I've been there)
Belfast
Dover

Those are the ones I've infiltrated the most since starting with GWX. There are various non-major port cities that usually have shipping in them, too. There's one north of Bergen that is undefended and has about 34K tons to sink in it.

Now out of the ones listed above, I haven't found any history that states that Dunkirk had minefields in Oct 1939.