There is a new online resource for North Carolina maps called, cunningly enough, North Carolina Maps. Quoting from the website:
North Carolina Maps is a comprehensive, online collection of historic maps of the Tar Heel State. Featuring maps from three of the state’s largest map collections — the North Carolina State Archives, the North Carolina Collection at UNC-Chapel Hill, and the Outer Banks History Center — North Carolina Maps provides an unprecedented level of access to these materials. When complete, North Carolina Maps will contain over 1,500 maps, ranging in date from the late 1500s to the 1960s, and will include detailed maps for each of North Carolina’s one hundred counties.
North Carolina Maps is made possible by a Library Services and Technology Act grant distributed through the State Library of North Carolina.
The project is still ongoing, but the site currently contains about 750 maps and already there is a little bit of something for everyone. For example, Nick Graham over at North Carolina Miscellany is fond of the soil survey maps; personally, I enjoy the nautical charts.