And as such, content generated for the Federal Government is in the 
public domain, and can be reproduced freely.

Ron May wrote:
> Carl,
>  
> The real question is "who owns the negatives and photo copy rights?" The  
> owner of the negatives and/or the artist who shot the photos legally controls  
> who can use the photos, how they are cited, and the cost of said use.
>  
> This is an interesting question because local historical societies often  
> sell use-rights to pictures they do not actually own. For example, the San Diego  
> Historical Society charges $35 to obtain copies of photographs (and another 
> $45  for publishing) shot by the United States Army Corps of Engineers to 
> supplement  letter reports on construction progress of U.S. Army Fort Rosecrans  
> (1902-1950s). While they can sell copies of their own prints, the negatives and  
> ownership of use-rights is the federal government and not their exclusive  
> property.
>  
> Ron May
> Legacy 106, Inc.
> 
>