List of illustrations

Figures

2.1 Thruscross dam wall shortly after completion, c.1966, Washburn Heritage Centre

2.2 Thruscross dam during construction, 1960s, Washburn Heritage Centre

2.3 Cross-section of eastward dam with workers, 1960s, Washburn Heritage Centre

4.1 J. M. W. Turner, The Valley of the Washburn, Otley Chevin in the distance (1818), Leeds Museums and Galleries (Leeds Art Gallery) UK © Leeds Museums and Galleries, UK/Bridgeman Images

Maps

3.1 Ordnance Survey map showing Swinsty Reservoir, 1893. Reproduced with permission of the National Library of Scotland. Creative Commons Attribution 4.0 International (CC BY 4.0)

3.2 Ordnance Survey map showing Swinsty Reservoir, 1910. Reproduced with permission of the National Library of Scotland. Creative Commons Attribution 4.0 International (CC BY 4.0)

Tables

1.1 Costs of the Washburn Valley scheme, 1870–1875

5.1 Number of fish caught in Elan Valley reservoirs, 1905–1913