weaknees
Well-Known Member
New Dam wall
Guessed at 60,000 m3, only clay that looks like it will seal is a small bit of dark red clay in the old dam bed, using it to build a clay core 1 scraper width - rest is dust and shale, turning to pure shale as we get deeper.
Guessed at 60,000 m3, only clay that looks like it will seal is a small bit of dark red clay in the old dam bed, using it to build a clay core 1 scraper width - rest is dust and shale, turning to pure shale as we get deeper.