I have scanned the Soaring index and the only 1957 accident I find is
in the May-June 1958 issue. Unfortunately that issue is missing from
my collection, but I doubt it would have been the one you are looking
for.

However, I believe that I have some photographs of the accident taken
by Warren Watson.

On Sep 9, 12:26 pm, wrote:
I am looking for copy of Soaring Magazine from 1957. It would be an
issue from late in the year with an article about a fatal glider
crash. The pilot was Stanley Graham and the flight was out of El
Mirage in a Baby Bowlus. The crash occurred in late August 1957.

Thank you,
Richard Graham