Pub. L. 109-432, div. C, tit. III, subtit. B, sec. 331
CLIMATOLOGICAL DATA COLLECTION.
SEC. 331. CLIMATOLOGICAL DATA COLLECTION. If the Secretary determines that hydrologic, meteorologic, or climatological collection devices are appropriate to further the scientific, educational, and conservation purposes of the wilderness areas designated by this subtitle, nothing in this subtitle precludes the installation and maintenance of the collection devices within the wilderness areas.