Mersey Tunnel - Core Samples - 1st Oct 2007 4:25pm
Mersey Tunnel - Core Samples
Unfortunately there on the other side of the fence
And your not allowed to go in with out a pass.
O well.
Core Samples : These are the parts extracted when drilling down
under the river bed. They Drill Down then Bring up the casings
to open them and the contents examined to show the layers in the rock.
Unfortunately there on the other side of the fence
And your not allowed to go in with out a pass.
O well.
Core Samples : These are the parts extracted when drilling down
under the river bed. They Drill Down then Bring up the casings
to open them and the contents examined to show the layers in the rock.