150 



2 



1 4), which directs the Secretary of the Interior to admin- 



2 ister areas of the National Park System in accordance 



3 with the fundamental purpose of preserving their scenery, 



4 Avildlife, natural and historic objects, and pro\iding for 



5 their enjoyment in a manner that will leave them 



6 unimpaired for the enjoyment of future generations, the 



7 Congress finds that the preservation and consei-vation of 



8 park resources and values requires that such public ac- 



9 commodations, facilities, and sei-vices as the Secretary^ de- 



10 termines are necessary and appropriate in accordance with 



1 1 this Act — 



12 (1) should be provided only under carefully con- 



13 trolled safeguards against unregulated and indis- 



14 criminate use so that visitation will not unduly im- 



15 pair these values; and 



16 (2) should be limited to locations and designs 



17 consistent to the highest practicable degi'ee with the 



1 8 preservation and conservation of park resources and 



1 9 values. 



20 (b) Policy. — It is the policy of the Congress that — 



21 (1) development on Federal lands within a park 



22 shall be limited to those facilities and services that 



23 the Secretary determines are necessarv' and appro- 



24 |)iiate for public use and enjovinent of the park in 



25 wiiich such facilities and services are located; 



