The work was supported by Cadw as GAT Project No. 2077, to aid understanding and management of extensive field systems. Many thanks go to the farmers who allowed access for the survey and fieldwork - Cwm Cilio: the late John Rowlands. Braich y Gornel: Thomas Jones of Goetre, Pwllheli. Muriau Gwyddelod: Dafydd Owen, Gwion Davies, Mr E. Jones and Hywel Pugh. Thanks also go to people who assisted the project: Dr Mike Yates (Cadw), Rhodri Dafydd (Natural Resources Wales), Dr Toby Driver (RCAHMW), John G. Roberts and Emyr Wyn Jones (Snowdonia National Park Authority). Lastly, to those who helped with the excavations: Matthew Jones and Neil McGuinness (GAT) and Dr Kate Waddington (University of Bangor). Astrid Caseldine thanks Rod Bale for assisting with some of the charcoal identification and processing the bulk samples and Inga Peck for preparing the pollen samples.
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