Library of Congress putting thousands of Civil War maps online

The Reader’s Shop writes Good news for Civil War buffs! The Library of Congress is posting 2,240 Civil war maps and charts and 76 atlases and sketchbooks on the web. The Virginia Historical Society and the Library of Virginia are adding about 600 other civil war items.

You can see the project here
There is quite a bit there already and the rest will be added by spring.

More Here and
Here and one more