; and (2) be managed in accordance with this section, the Wilderness Act ( 16 U.S.C. 1131 et seq.), and any other applicable laws (including regulations). (k) Climatological data collection In accordance with the Wilderness Act ( 16 U.S.C. 1131 et seq.) and subject to such terms and conditions as the Secretary may prescribe, the Secretary may authorize the installation and maintenance of hydrologic, meteorologic, or climatological collection devices in a wilderness area or addition if the Secretary determines that the facilities and access to the facilities is essential to a flood warning, flood control, or water reservoir operation activity. (l) Authorized events The Secretary of Agriculture may authorize the Angeles Crest 100 competitive running event to continue in substantially the same manner and degree in which this event was operated and permitted in 2015 within additions to the Sheep Mountain Wilderness in section 323 of this title and the Pleasant View Ridge Wilderness Area designated by section 1802 of the Omnibus Public Land Management Act of 2009, provided that the event is authorized and conducted in a manner compatible with the preservation of the areas as wilderness. 325. Designation of wild and scenic rivers (a) Designation Section 3(a) of the Wild and Scenic Rivers Act ( 16 U.S.C. 1274(a) ) (as amended by section 206(a)) is amended by adding at the end the following: (272) 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. (273) North Fork San Gabriel River, California The 4.3-mile segment of the North Fork San Gabriel River