up to 3 percent of the amounts which are authorized to be disbursed under such section, such retained amounts to remain available until expended. National Park Service funds may be transferred to the Federal Highway Administration (FHWA), Department of Transportation, for purposes authorized under 23 U.S.C. 204. Transfers may include a reasonable amount for FHWA administrative support costs. United states geological survey Surveys, investigations, and research For expenses necessary for the United States Geological Survey to perform surveys, investigations, and research covering topography, geology, hydrology, biology, and the mineral and water resources of the United States, its territories and possessions, and other areas as authorized by 43 U.S.C. 31, 1332, and 1340