Thorn, P. (2015) “The Geology around Druminnor Castle”, BLOP13, in Shepherd, C. (ed) Bennachie and the Garioch: Society and Landscape in the History of North-east Scotland, 3 (Chapel of Garioch, Bailies of Bennachie) 5-9.
Landscape histories of North-east Scotland
Thorn, P. (2015) “The Geology around Druminnor Castle”, BLOP13, in Shepherd, C. (ed) Bennachie and the Garioch: Society and Landscape in the History of North-east Scotland, 3 (Chapel of Garioch, Bailies of Bennachie) 5-9.