On June 5, 1994, at 1930 eastern daylight time, a Great Lakes 2T-1A, N849K, nosed over following a loss of control during a landing at the Gwinnett County Airport (Briscoe Field), in Lawrenceville, Georgia. The private pilot was not injured, and the aircraft was substantially damaged. The aircraft was operated under 14 CFR Part 91 by the pilot. Visual meteorological conditions existed at the time, and no flight plan was filed for the personal flight. The flight originated in Gadsden, Alabama at 1720 central daylight time. The pilot had reported that he had participated in a biplane fly- in on the day of the accident, and had been flying for most of the day. He commented that he was not attentive to the landing, and the aircraft veered to the right. The aircraft ground looped, resulting in structural damage to the upper wing, vertical stabilizer, and rudder. He reported no mechanical malfunction or failure with the aircraft. An inspector with the Federal Aviation Administration visited the accident site and inspected the aircraft. He reported that the wheel brakes and flight controls were in operable condition. The pilot reported to him that during the landing, the runway was wet from a recent rainshower, and there was some standing water on the runway. The pilot also reported that he had been flying for most of the day, and was tired.