The map that is referenced while talking to the Hunters is of Ross Island and the Ross Sea those are part of Antarctica not the Arctic which is where the camp is supposed to be.
Some characters (MacReady, Palmer, Childs, Nauls) are named after characters of the movie 'The Thing' (1982).
At 27:04 a map shows Nunavut. This is the newest Canadian territory formed in 1999 in what used to be the eastern part of the Northwest Territory.
Ross Dependency is the part of Antarctica administered by New Zealand.
At about 9 minutes a character ends a radio conversation as "Bandit" as a reference to "Smokey and the Bandit".