As reported
Rectangle over Yakama Indian Reservation, WA
A witness account on file, unevaluated. Most of the archive rests here, and honestly so.
The report, as filed
large, lighted rectangular stationary object was observed for 1 &1/2 hrs, as it sank out of sight.
Held as-reported from National UFO Reporting Center. Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.