pp. 5–24, 100–101. Griffith, Enid S., A Small Town Reaches Out: The Origin and Early History of Penryn, Placer County, California. (Penryn, CA, 1957, reprinted by the Roseville Historical Society for Friends of the Griffith Quarry, 2002). Hall, Carroll D., "Penryn--The Green Years." (March 21, 1980, unpublished manuscript) Angel, Myron, History of Placer County, California, with Illustrations and Biographical Sketches of its Prominent Men and Pioneers (Oakland, CA, Thompson & West, 1882), pp. 395–396, illustrations p. 396 & p. 400. External links Griffith Quarry Museum. Penryn, California. (National Geographic). Placer County Museum. Auburn, California 1823 births 1889 deaths Welsh emigrants to the United States American city founders People from Placer County, California 19th-century American businesspeople American mining businesspeople People from Caernarfonshire Businesspeople from California