Wikimedi'Òc
Modes d'emploi
Breadcrust Bomb (15302327265).jpg - Holly Cheng
Black Dacite (15279242106).jpg - Holly Cheng
Black porphyritic dacite (upper Holocene, 14 May 1915; Devastated Area, Lassen Volcano National Park, California, USA) 37.jpg - Ser Amantio di Nicolao
Volcanic bomb, Mt. Lassen, CA (19256281858).jpg - Geo Swan