I need some information onthe 1st Wisiscon Light Artillery?I know from the the history of the battery 4 gunswas in Dvaison expedition.I would like to know wat tpe of fieldguns was used by this battrey/ Such as 10-pdr Parrot,3"oradance rifle or other? Also some help with the pontoon bridgewhich might have used? I know tey wre two types of pontoon boats used 1wooden and 2nd canvas type?I know this expedition had enough pontoons to cross 400 ft.I think Dvidson had the canvas tpe,but this is a guess.Any ideas or suggestion would be helpful.Thanks