United Cavers Exploration Team
Cave and Mine Exploring => Knowledge Bank => Topic started by: Robin Jones on Dec 03, 2020, 09:45 PM
Perhaps no-one else finds stuff like this interesting, but just in case you do, page 4 is worth a browse
https://www.flintshire.gov.uk/en/PDFFiles/Planning/Evidence-Base-Documents/Background-Papers/LDP-EBD-BP4-Background-Paper-LDP04-Minerals.pdf (https://www.flintshire.gov.uk/en/PDFFiles/Planning/Evidence-Base-Documents/Background-Papers/LDP-EBD-BP4-Background-Paper-LDP04-Minerals.pdf)