The photos and write up are almost a quarter of a century old!
They first, and currently appear, copyrighted in this book published 1995
http://www.amazon.com/Diving-Guide-Medi ... ean+Wrecksbefore they were copied without credit onto a site that used them to seek money for diving recovery scams.
The owner of the site at the time used various images, including the Lake Washington aircraft, to claim that he had found rare aircraft in the North Sea/Fresh Water Lakes in the UK/Fresh Water Lakes in Switzerland etc.
His widow cleaned up the more fantastical scams off the real warbird photos site before it was reposted but still omits to credit the owners of the images.
Ross