May 8, 1864. McPherson 15th and 16th Corps [US] seized Snake Creek Gap. On the 9th, attempting to destroy the R. R. at Resaca, (defended by Cantey Div. of Polk's Corps), [CS] McPherson was forced to withdraw to the mouth of the gap where he intrenched.
This was the beginning of Sherman [US] move to outflank Johnston forces [CS] at Dalton.
May 13 ~ 14, Sherman moved the 14th, 20th, & 23d Corps [US] through the gap and together with McPherson troops, advanced toward Resaca ~ the 4thCorps [US] marching due S. from Dalton. On the 14th began the two ~ day battle of Resaca.