Documents / FOIA release
This FBI file section collects July 1947 Bureau memoranda, teletypes, citizen letters and newspaper clippings about reported flying discs. They cover recovered objects at Twin Falls, Idaho, Shreveport, Louisiana, Black River Falls, Wisconsin, and Laurel, Maryland, many judged to be pranks, plus a Grafton, Wisconsin priest's circular saw blade the Milwaukee office called a hoax. A Dallas teletype reports a disc recovered near Roswell resembling a high altitude weather balloon with radar reflector. Kenneth Arnold's own account of his sighting is also included.
“Seattle”3 pages
Dear St. Bd. : ANONYMOUS COMMUNICATION KEEP ENVELOPE ATTACHED It is my opinion about those "flying discs" reported seen over Kentucky, New Mexico, California, Oregon, Washington, Idaho, Colorado, South Carolina and Eastern Canada that some Europe- an country is using them by filling them up with germs or highly explosive, and after a couple thousand miles they drop their contents and disappear. 63 JUL 18 1947 suggest that you keep
FOIA release, from the fbi-vault collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 79 pages are in the text index: search them above, or from the library's search.