Most of the photos on this site were extracted from reference images (high-resolution tiffs, 20 to 200 megabytes in size) from the Library of Congress research archive. (To query the database click here.) Many were digitized by LOC contractors using a Sinar studio back. They are adjusted by your webmaster for contrast and color in Photoshop before being downsized and turned into the jpegs you see here.

Federal soldiers killed July 1, 1863, near the McPherson woods. Gettysburg, Pennsylvania. View full size. Wet collodion glass plate, half of stereograph pair. Photograph by Timothy H. O'Sullivan.
I agree with you. I would like to recommend to you The Civil War In Depth by Bob Zeller. Many of the images seen here as complete stereo pairs, with a stereo viewer.. really a fun book
Awesome book, might I add! Hopefully we'll be able to see it made into a film like its two companion pieces, but it looks like the process is taking painfully long.
May I ask....what is the LOC site?
[Library of Congress. - Dave]
Is there anything quite as frustrating as the phrase "Half of a stereo pair"?
Well y'know, the other half looks pretty much just like this one. You can find it (and thousands of other complete stereo pairs) on the LOC site. - Dave
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