翻訳と辞書 Words near each other ・ Mining industry of the Gambia ・ Mining industry of Togo ・ Mining industry of Tunisia ・ Mining industry of Uganda ・ Mining industry of Yemen ・ Mining industry of Zimbabwe ・ Mining Institute ・ Mining Institute of Cornwall ・ Mining Journal ・ Mining lamp ・ Mining law ・ Mining League ・ Mining machinery engineering ・ Mining Machines ・ Mining Magnate ・ Mining methods of the Klondike Gold Rush ・ Mining Museum of Asturias ・ Mining Museum Příbram ・ Mining My Own ・ Mining on Vancouver Island ・ Mining Parliamentary Bloc ・ Mining pool ・ Mining rock mass rating ・ Mining scams in India ・ Mining sett ・ Mining simulator ・ Mining Software Repositories ・ Mining the Sky ・ Mining Weekly ・ Mining, Austria Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Mining methods of the Klondike Gold Rush ： ウィキペディア英語版 Mining methods of the Klondike Gold Rush ==Gold rush era (1896~1899)== During the gold rush some gold was found in the creek beds, but most was in the valley gravels near and in bedrock. The recovery had two steps: bringing the gravels containing gold to the surface and then separating the gold from the gravel using water and gravity separation, as a result access to water was important since it was necessary for the separation process and could also be used thawing the permanently frozen ground and washing down gravels from the upper terraces. 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「Mining methods of the Klondike Gold Rush」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.