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 in Schenectady, NY. The property, along with the street in which it was situated, was later liquidated in a 1940s redevelopment. Roach himself went on to establish his own shipyard in Chester, Pennsylvania, the Delaware River Iron Ship Building and Engine Works, which became America's largest and most productive shipyard from its establishment in 1871 until the mid-1880s. At least 26 marine steam engines for 19 ships were produced by the Etna Iron Works. The following is a list of those ships, together with basic details of the engines fitted to each. Etna Iron Works The Etna Iron Works (sometimes