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This document appears to be an extract from Project Grudge, a U.S. Air Force investigation of unidentified flying object reports. It details Incident #76, occurring August 13, 1947, at Salmon Dam, Idaho, where two men simultaneously reported hearing a roar and observing two circular objects at high altitude (estimated 4,000–6,000 feet) traveling at great speed and reflecting light. The objects' distance made size estimation impossible. The account draws from witness interviews and newspaper reporting from the Times News (Twin Falls, Idaho). The document concludes with Dr. Hynek's systematic categorization of 244 incidents by explanation type: astronomical phenomena, balloons or aircraft, rockets/flares, miscellaneous causes, and unexplained cases. Most incidents received conventional explanations, though numerous cases remained without evident explanation.