... ravines. At Fort Henry, General Grant reorganized his army in three divisions, under Generals McClernand, Smith, and Lew. Wallace. Commodore Foote returned to Cairo to take his mortar-boats up the Cumberland River to assist in the attack. On the morning of Feb. 12, 1862, the divisions of McClernand and Smith marched for Fort Donelson, leaving Wallace with a brigade to hold the vanquished forts on the Tenness...