And what's more, the evidence seems pretty conclusive that it hasn't been covered by a natural erosion or other forces.
9 seconds sound clip from the 2001: A Space Odyssey (1968) movie soundboard.
You can hear this line at 00:48:26 in the Blu-ray version of the movie.
Quote context
[...]
- And not even a nickel-iron meteorite could produce a field as intense as this.
- So we decided to have a look.
- It seems to have been deliberately buried.
- Well, how about a little coffee?
- I don't suppose you have any idea what the damn thing is?
[...]