I can't tell you exactly where the prison is, but the Chemung County
Historical Society has info on it.  They have published articles about it in
their journal and I think there is a book as well as any material that may be
available from the society.  I believe there is a section in Woodlawn
Cemetery where many of the prisoners were buried and that records may exist
showing the location of individual graves, but I am not sure of that.  The
society's address is:
415 E. Water St.
Elmira, NY 14901
Non-members may do research there for a small fee and they do like to have
researchers contact them in advance, particularly if you are researching a
special subject.  I have done research there on my family and found them very
helpful.  Good luck in your search.  Marjorie

J C wrote:

> I've heard of a Civil War POW camp near Elmira, where the conditions were
> worse than Andersonville. I might be heading up that way soon. Can anyone
> tell me where it was exactly, if it still exists, etc. Thank you.