St.Vincent: Effects of the 1902 Soufriere pyroclastic flow. Ruins of the WaterlooSugar Factory on the eastern slopes of the Soufriere volcano, near Orange Hill after the 1902 eruption. Photo by J.C. Wilson, British Museum of Natural History collection MN-25054.

Effects of the 1902 Soufriere pyroclastic flow, St Vincent.  Destruction of the Wallibou sugar factory on the western slopes of the Soufriere volcano, during the May 7, 1902 eruption. Photo by J.S. Flett, British Museum of Natural History collection MN-25060.

Reference: Sigurdsson, H. and Carey, S., 1990, Caribbean Volcanoes: A Field Guide; Geological Association of Canada, Mineralogical Association of Canada, Society of Economic Geologists, Joint Annual Meeting, Toronto '91, Field Trip B1: Guidebook, 101p. Page 74 of this book has the two pictures from Prof. Church's site, Wallibou by Flett and Waterloo by Wilson.