Geography Reference
In-Depth Information
Figure 3.5. The summit
crater of Mount Erebus
is indicated in Fig. 3.3 as
“Present active crater.”
David measured the wall
from the upper edge to the
floor as nine hundred feet
in height. An inner crater
drops into the floor.
Figure 3.6. As described
by Professor David, steam
rises from the dark layer
on the inner wall of the
summit crater of Mount
Erebus.
