Figure 1. Map of McMurdo area.
complications present when working on super-
and thus is of the type that will be considerably
imposed ice are avoided. For example, DC-4, DC-
more expensive to develop than a runway fortu-
6B, LC-130, and C-130 aircraft have landed on
nate enough to use natural ablation areas (com-
wheels at natural unprepared blue ice sites in
monly called "blue ice"). In the case of natural
Antarctica, involving essentially no development
blue-ice sites, such as can be found in a number of
cost (Swithinbank, 1992, 1993a, 1993b, 1994).
locations in the interior of Antarctica, many of the
2
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