...ace of 2900 feet, and rifle-pits to guard the approaches were begun. The same officer speaks further of reenforcements housed in four hundred log-cabins, and adds that while this was being done at Fort Donelson , Forts Henry and Heiman, over on the Tennessee, were being thoroughly strengthened. January 30th, Fort Donelson was formally inspected by Lieutenant-Colonel Gilmer, chief engineer of the Western De...