Etna, California . Etna, California Etna is a city in the Scott Valley area of Siskiyou County, California, United States. The population was 737 at the 2010 census, down from 781 at the 2000 census. Originally named Rough and Ready, it was changed by statute in 1874 to Etna after the local flour mill (spelled Ætna/Aetna after Mount Ætna in Sicily). Etna is located at (41.457350, -122.896875). Etna is in Northern California near the Oregon border, located in Scott Valley near the CDP of Greenview, the city of Fort Jones, and the unincorporated community of Callahan. Etna is located at the foot
Etna Iron Works Etna Iron Works The Etna Iron Works (sometimes rendered as Ætna Iron Works) was a 19th-century ironworks and manufacturing plant for marine steam engines located in New York City. The Etna Works was a failing small business when purchased by ironmolder John Roach and three partners in 1852. Roach soon gained full ownership of the business and quickly transformed it into a successful general-purpose ironworks. Roach took advantage of the American Civil War to transform the Etna Works into one of New York's leading manufacturers of marine steam engines. By the end of the war, he was in a position