To: 1John
Thanks. I couldn't remember the exact temperature. All I know is, when underground, no matter what time of year, a light jacket is all you need to feel comfortable.
To: BigBobber
Well, I live not far from Oregon Caves National Monument. Take the tour and you learn a lot. Also, cool tubes work really great here using the principle of the heat mass of the earth at four feet.
57 posted on
09/29/2001 10:15:02 PM PDT by
1John
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