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Tolmino, 1937, from Carta Geologica delle Tre Venezie, sheet 26, by Ufficio Idrografico del R. Magistrato alla Acque – Venezia. Tolmino.
Western Australia, Geological Map of Northampton, 1898. By Gov’t geologist, A.Gibb Maitland. 1:15,840. Geological Survey of Western Australia.
Western Australia, Geological Map of the Collie Coal Field, 1898. By Gov’t geologist, A.Gibb Maitland. 1:31,680. Geological Survey of Western Australia.
Woodward, H.B. (1909). The Geology of the London District (being the area included in the Sheets 1 – 4 of the Special Map of London) 1st edition.
Wright, J.F. (1968). The Geology of the Church Stretton area: Explanation of 1:25,000 Geological Sheet SO59. London: HMSO. British Geological Survey.