The top of the borehole – with protective foam cap in place, and plastic cover lifted up. It’s over 4000m down.
DSCN0645-Slot-Borehole-Donenfeld-1920-WM
–
–
The top of the borehole – with protective foam cap in place, and plastic cover lifted up. It’s over 4000m down.
Leave a Reply
You must be logged in to post a comment.