3 ms·
The starting elevation of the Kola Superdeep Borehole is reported as 350 m asl, though on the map in one of the papers I have it looks closer to 320 m.
by D_Alex 15y ago
The starting elevation of the Kola Superdeep Borehole is reported as 350 m asl, though on the map in one of the papers I have it looks closer to 320 m.