1 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
2 | (3) The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
3 | Policy and practice for the protection of groundwater : North West region : 2nd edition, 1995 |
4 | The impact of climate change on severe droughts: River-flow reconstructions and implied groundwater levels |