Antique Civil war ? camp photo Lot Vol Inf Augusta ME Eng Corp 1st Brigade Horse

Description

Interesting lot of three photos. They are embossed SR Fox so thinking Sereck R Fox out of Philadelphia. They have numbers and writing on them and what I can make out -
“Wagon corral 1st brigade Augusta #45”
“Camp of vol inf Augusta prepared by vol eng corp #44”
“#56 ??du?”
4 3/4” to 6 1/4” x 3 3/4”