IN THE PARK 113 



again. It has been there for ages, but only one 

 authentic eruption has been recorded. There are 

 Prismatic Lake, and smaller springs and geysers 

 innumerable. In fact, in the Lower and Middle 

 Basins, there are twenty geysers and more than 

 a thousand hot springs. 



Everywhere the world is still a-making, and, 

 as you walk across the ^'formation," as the depos- 

 its are called, and feel the ground tremble under 

 you and vague groanings and threatenings from 

 beneath, with spoutings and hissings and roarings 

 on every side, you are entirely willing to have lived 

 after the process of earth building was pretty well 

 clone. 



