Possibly a minor point but, from what I remember of my Fortran programming days and line printer control characters, I suspect that the actual header string for each block is the
. If memory serves, "1" meant throw a page, "0" meant double-line spacing, " " meant single-line spacing and "+" meant over-print. So I think that would mean that the "Pu-238" data actually appeared on Page 668, just in case the stuff at the top of the page has relevance to the OP's problem.