It would appear,using hindsight from us armchair generals,that General Churchill's only option may have been to hold out awhile longer and then withdraw and save his army.I suppose we must grudgingly give credit to General McClernand and most especially the federal navy.
What possibilities there must have been with those command detonated mines! Can only assume there may have been some technical difficulties or problems in acquiring certain materials that prevented extensive employment.I just last night watched that movie,"The Hurt Locker."
MWT