What Are CFCs? CFCs are short for the compound, chlorofluorocarbon, which contain carbon, chlorine, and fluorine. Chlorofluorocarbons are more commonly referred to as CFCs or, when used for refrigeration, CFCs are also known as freon. Developed in the 1930s as a safe alternative to ammonia, usage of CFCs grew rapidly because of its usefulness and convenience throughout most of the 20th century.
Great Northern Railway 1893-1925 The first route over the pass was a series of switchbacks, with grades of up to 4 % on the West side and 3.5% on East side, was completed on January 6, 1893 (see photos below). To traverse a switchback the train has to travel to the end of the dead end spur, then the switch is thrown and engine reverses
Great Northern Railway Mansfield Branch Line (1909-1985) and the Waterville Railway Co. (1910-1954) Built by the Great Northern Railway in 1909, the 61 mile Mansfield line branched off the mainline at the Columbia River and snaked its way up across Douglas County, WA to its terminus in Mansfield. In 1970, Burlington Northern took over operations of the line. In 1985 it was abandoned, thus closing the book on railroading on the Waterville Plateau. This blog is dedicated to preserving the history of the Mansfield Branch Line as well as the Waterville Railway Co. And some HO scale stuff.