Digital BW, The Print

>  but
> don't go trying to sell prints from these files. They belong to the
> American government. Like they said some of the files are too small
> and some are borderline usable. Some are jpegs and some are tiffs. 
> I'm going to look more into it.
> 
> John
>

Not so - I as I understand it they are Public Domain  (especially so in 
the case of the other two works you mention)