 Complete the following phrase:  The 7th Ohio Infantry joined the campaign against Atlanta on 1 May 1864. First, it had an engagement at Rocky Face Ridge from 811 May. Then they took part in the Battle of Resaca on the 14th and 15th. Next, it had an engagement at Cassville on the 19th and then participated in reconnaissance at Pumpkin Vine Creek on the 25th. Later that day, they were in the 