[pct-l] Alien space probe or ???

[pctl at ilja.ws (Ilja Friedel)]

Hi Mark,

On Tue, 4 Jan 2005, Mark Wright wrote:

> I think that's from dynamite.

Yeah, there was lots of those scars on the High Sierra Trail. Sometimes 
beautifull things are created with dynamite.

But how did they drill the holes 70 years ago?

Ilja.