Re: air blowing out of an old mine

[herbgottlieb@juno.com (Herbert H Gottlieb)]

On Tue, 15 Sep 1998 16:28:13 -0700 (PDT) jmclean@chem.ucsd.edu (James
Mclean) writes:
> Instead of heating sources, what about the simple enormous thermal 
> resevoir that is the earth?  What is it, about 58 F?  Does the air flow 
> possibly reverse in winter?

In which part of the earth's interior is the temperature 58 F?

Herb Gottlieb from New York City
(Where winter temperatures are usually less than 58 F and hot air rises)