Interesting, Jim -

My wife's gg-grandfather Pleasant Gray belonged to the 59th Alabama and was killed at Drewry's Bluff, May 16, 1864.
The service record doesn't contain record of death but hand-written notes by a member of his company at the ADAH listed him as KIA.

http://www.historyofwar.org/Maps/maps_century_4_198_drewrys_bluff.html