 Complete the following phrase:  Edward Lyon Buchwalter took part in the engagements between Union and Confederate forces during the Vicksburg Campaign at the Battle of Thompsons Hill, the Battle of Port Gibson May 1, 1863, near Port Gibson, Miss., Battle of Raymond May 12, 1863, near Raymond, Miss., Battle of Champion Hill May 15, 1863, on Barkers Creek, Hinds Co., Miss., 