HISTORY AND DEVELOPMENT 



207 



well as the maintenance of such public utilities as light, heat, power, 

 and water as may be necessary for the proper handling of the several 

 million visitors who annually enter these parks. 



Many requests are made for the creation of additional National 

 Parks, but it has been the consistent policy to set aside only certain 



FIG. 112. Park engineers, Rangers, Camp Superintendent and Camp Commander 



laying out plans for a Civilian Conservation Corps camp in the Yosemite 



National Park, California. 



outstanding areas because of their scientific or scenic interest. Among 

 the recent parks created for this reason have been the Grand Teton 

 in Wyoming, the Carlsbad Caverns in New Mexico, and the Great 

 Smoky Mountains in North Carolina and Tennessee. Congressional 

 authorization has also been given for the establishment of the Ever- 

 glades National Park in Florida, the Isle Royale in Michigan, the 

 Shenandoah in Virginia, and the Mammoth Cave in Kentucky. 



