148 THE MAMMOTH CAVE. 
bered, was by the solvent action of water 
charged with carbonic acid. 
We are told that there are avenues which 
communicate with the top and bottom of the 
Dome. When Kcho River rises, the floor of the 
Dome is covered with water, in which eyeless 
fish are sometimes found. 
Gorin’s Dome bears the name of its discoverer, 
and former proprietor of the Cave. 
Pensacola Avenue is about a mile in length, 
from eight to sixty feet in height, and from 
thirty to one hundred in width. It is entered 
from Revelers’ Hall. 
The following objects are worthy of exam- 
ination : 
1. Tue SeA-TurTLE is about thirty feet in 
diameter. The rock of which it is composed 
has fallen from the ceiling 
2. Tue Witp HALL in size and appearance 
resembles Bandit’s Hall. Bunyan’s Way, which 
communicates with Great Relief, enters Pensa- 
cola Avenue at this point. 
3. SNOWBALL ARCHED WAy receives its name 
from the fact that its ceiling is covered with 
nodules of gypsum, hke those in the Snowball 
Room. 
4. Tur Great CrOssInG is the point at which 
four avenues take their origin: 
