| 翻訳と辞書 |
| Uintah Railway ： ウィキペディア英語版 |
Uintah Railway
The Uintah Railway was a small narrow gauge railroad company in Utah and Colorado in the United States. It was constructed to carry Gilsonite which provided most of its operating revenues; but it operated as a common carrier from 1904 to 1939, also carrying passengers, mail, express, and other cargoes including sheep and wool. When a public library was built in Dragon in 1910, the Uintah Railway agreed to deliver library books free of charge to and from any borrower along its route. Many area ranchers and miners took advantage of the opportunity.〔Bender, pp.85&87〕
==Background==
The Uintah Basin includes seams of asphaltum remaining where petroleum from the Green River Formation oil shales seeped into fissures in the overlying sandstone where smaller hydrocarbon molecules were slowly evaporated or digested by aerobic microbes. The remaining large-molecular-weight hydrocarbons formed a lustrous black solid at ambient temperatures, resembling anthracite coal with a brownish dust. Following ignition, the heat generated by combustion causes the burning asphaltum to melt and flow. European Americans began mining this asphaltum in the 1860s, but attempts to burn it in conventional coal stoves were unsuccessful. The asphaltum was named Gilsonite after Samuel Henry Gilson began using the material in 1886 as a varnish and as electrical insulation. Gilson built a manufacturing plant in Salt Lake City, and began mining operations in 1888. The plant was purchased by a group of Missouri businessmen who formed the Gilsonite Asphaltum Company. For more than a decade, Gilsonite was hauled from the mines in horse-drawn wagons to be loaded aboard railway cars at Price, Utah. The wagons took ten or eleven days to make a round trip, and the hauling costs encouraged construction of a railroad.〔Bender, pp.13-19〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Uintah Railway」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|