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Image source: Scrope, George Poulett (1797-1876). Memoir on the geology of central France; including the volcanic formations of Auvergne, the Velay, and the Vivarais. London: Printed for Longman, Rees, Orme, Brown, and Green, 1827

Vulcan's Forge and Fingal's Cave

Volcanoes, Basalt, and the Discovery of Geological Time

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Credits

The castle at Montélimar, built upon prismatic basalt. Image source: Faujas-de-St.-Fond, cit. Barthélemy. Recherches sur les volcans éteints du Vivarais et du Velay. Grenoble: Chez Joseph Cuchet, 1778, pl. 2.

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Catalog text and photographs by William B. Ashworth, Jr.

Exhibition preparation and installation by Bruce Bradley and Cynthia Rogers

Digital conversion and additional photographs by Nancy Green and Robert Mason, Digital Services

Digital migration by Rebeca Escamilla

Catalog design by Jake Marshall