The timing and consequences of the blockage of the Humber Gap by the last British−Irish Ice Sheet - Bateman - 2018 - Boreas - Wiley Online Library
N 53 31 16 hi-res stock photography and images - Page 3 - Alamy
Retreat dynamics of the eastern sector of the British–Irish Ice Sheet during the last glaciation - Evans - 2021 - Journal of Quaternary Science - Wiley Online Library
Catwick -Fotos und -Bildmaterial in hoher Auflösung – Alamy