COWEETA HYDROLOGIC LABORATORY - Established in 1934, Coweeta is a unit of the Forest Services Southern Research Station. In cooperation with scientists throughout the nation, it helps determine the effects of human use on forest growth and ecology. Visitors can drive through the experimental forest for most of the year to see forest management practices in silviculture, hydrology, and engineering. A self-guiding brochure is available at the station office. Office hours are from 7:30 a.m. to 4:00 p.m., Monday through Friday. The office is located on Coweeta Lab Road, off U.S. 441, south of Franklin.