Etna DOC Etna DOC Etna is a "Denominazione di origine controllata" (DOC) for wine from the Etna region in Italy. Etna D.O.C. territory is closely tied to the biggest active volcano in Europe - Etna. Much of it is covered with crops and natural vegetation. Among the cultivated species the grape vine has always played a major role. Man appears on the island of Sicily in the Upper Paleolithic (20,000 years B.C.). Evidence exists that ancient grapes are proved to be dated before man ever stepped on the island; however it was only during the Neolithic era when population devoted itself to
Etna Furnace (Williamsburg, Pennsylvania) Etna Furnace (Williamsburg, Pennsylvania) Etna Furnace, also known as Mount Etna Furnace, Aetna Furnace, and Aetna Iron Works, is a historic iron furnace complex and national historic district located at Catharine Township, Blair County, Pennsylvania. The district includes five contributing buildings, six contributing sites, and two contributing structures. It encompasses a community developed around an iron furnace starting in 1805. Included in the district is the four-sided stone furnace (1808), gristmill site (c. 1793), canal locks (c. 1832), site of lock keeper's house (c. 1832), aqueduct (c. 1832, rebuilt 1848), two small houses, the ruins of a charcoal house (1808),