; 123 Stat. 1054), if the event is authorized and conducted in a manner compatible with the preservation of the areas as wilderness. 6. Designation of wild and scenic rivers (a) Designation Section 3(a) of the Wild and Scenic Rivers Act ( 16 U.S.C. 1274(a) ) is amended by adding at the end the following: (231) East fork san gabriel river, california The following segments of the East Fork San Gabriel River, to be administered by the Secretary of Agriculture in the following classes: (A) The 10-mile segment from the confluence of the Prairie Fork and Vincent Gulch to 100 yards upstream of the Heaton Flats trailhead and day use area, as a wild river. (B) The 2.7-mile segment from 100 yards upstream of the Heaton Flats trailhead and day use area to 100 yards upstream of the confluence with Williams Canyon, as a recreational river. (232) North fork san gabriel river, california The 4.3-mile segment of the North Fork San Gabriel River from the confluence with Cloudburst Canyon to 0.25 miles upstream of the confluence with the West Fork San Gabriel River, to be administered by the Secretary of Agriculture as a recreational river. (233) West fork san gabriel river, california The following segments of the West Fork San Gabriel River, to be administered by the Secretary of Agriculture in the following classes: (A) The 6.7-mile segment from 0.25 miles downstream of its source near Red Box Gap in sec. 14, T. 2 N., R. 12 W., to the confluence with the unnamed tributary 0.25 miles downstream of the power lines in sec. 22, T. 2 N., R. 11 W., as a recreational river. (B) The 1.6-mile segment of the West Fork from 0.25 miles downstream of the powerlines in sec. 22, T. 2 N., R. 11 W., to the confluence with Bobcat Canyon, as a wild river. (234) Little rock creek, california The following segments of Little Rock Creek and tributaries, to be administered by the Secretary of Agriculture in the following classes: (A) The 10.3-mile segment from its source on Mt. Williamson in sec. 6, T. 3 N., R. 9 W., to 100 yards upstream of the