I just scanned the letters by Captain Thomas Chatfield, written between 1863 and 1865 while he was stationed on the Gulf coast of Florida as an Acting Master in the U.S. Navy. Most of these letters were written to his wife, Florentine (Handy) and some to his daughter Mildred (Millie).
The PDF is 6 megabytes is size. And can be downloaded here.
I need to clean up the RTF file and convert the file into live text. I take back what I said about the scanner earlier, I just saved myself three months of work!