In April and May 1862 Davies was engaged in the Siege of Corinth as a division commander. He took part in the Second Battle of Corinth on October 3–4, 1862, also in division command. Davies was assigned to command the Districts of Columbus, Kentucky, in 1862–63, Rolla, Missouri, in 1863–64, and North Kansas in 1864–65. While in command at Columbus, Davies issued orders that the fortified Union post at Island No. 10 be disarmed with all ammunition destroyed, cannon spiked, and gun carriages burned, directives that seemed so nonsensical to the post commander that they had to be repeated several times before they were obeyed. One military investigator looking into the matter reported to headquarters that Davies' conduct should result in his dismissal from the army "the better for our country, its cause and its treasury." Davies, however, was not dismissed.