Fig. 4.
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Fig. 4.
Proposed aerial view of the Erith Hill Quarry (Source :
https://www.erithquarry.co.uk/
).
Econ. Environ. Geol. 2021;54:505-13
https://doi.org/10.9719/EEG.2021.54.5.505
© 2021 Econ. Environ. Geol.