A bill to assure that weather modification activities and the collection of hydrometeorological information necessary to the management of water resources can be conducted in conjunction with the management and administration of wilderness and other Federal lands.

Authorizes the Secretary of Agriculture and the Secretary of the Interior to permit weather modification activities, including both atmospheric and surface activities and environmental research, which are within, over, or may affect areas which are a part of the national wilderness preservation system or other Federal lands. Permits access, installation, and use of equipment which is specifically justified and unobtrusively located within maximum practical application of miniaturization, telemetry, and camouflage, provided that the respective Secretary may prescribe such operating and monitoring conditions as he deems necessary.