Wow - that was a lucky shot! I have nothing but admiration for guys like your Dad and all those young men who served with him. That big piece of paper with all their stories would be a treasure - does it still exist?
Not only does it still exist, I have it. Also it turns out several other children and grandchildren of the battalion also have a second copy which I think one of my brothers or sisters have.
Anyway they have shared photographs of their copies as I have shared mine with them. I would guess there are at least 4 or 5 originals still around. They were originally in a round map case but it deteriorated over the years as have the corners of the original.