Collector Jim Bennetch, Jim_Bennetch@dom.com, or firstname.lastname@example.org, has very graciously provided us with some great examples of Vermont Civil War covers, with backgrounds on the soldiers and technical details on the covers.
Union Military Address Cover; occupied Florida
Captain Charles Parker, Co. E, 7th Vermont Infantry
Union Occupation Cover; (Alexandria, Virginia)/Gettysburg Campaign
Corporal Joseph K. Dowling, 12th Vermont Infantry
Union Campaign Cover; Siege of Petersburg, Virginia
Corporal Alanson M. Aseltine, Co. F, 10th Vermont Infantry.
See also the "Postal History of Burlington, Vermont: The First 100 Years."