The Maine State Archive seems to be rounding up some great material on Maine people who lived during the Civil War. The following website was indexed by Google recently and appeared in a News Alert I watch:

http://www.maine.gov/sos/arc/sesquicent/civilwarwk.shtml

I can only presume that this will be officially announced and linked to the The Maine Civil War Sesquicentennial website in the future:

http://www.maine.gov/civilwar/

Enjoy!