Kennecott Mine Concentration Mill : 無料・フリー素材/写真
Kennecott Mine Concentration Mill / Ted LaBar
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | In 1900, prospectors discovered magnificent green cliffs of exposed copper in the Wrangell Mountains northeast of Valdez, Alaska. Their discovery, the “Bonanza Mine Outcrop,” proved to be one of the richest copper deposits ever found. From 1911 to 1938, the Kennecott Copper Corporation extracted nearly $200 million worth of copper from nearby mines. At the peak of operation, approximately 300 people worked in the mill town and 200-300 in the mines. The Kennecott Mines National Historic Landmark preserves some of the buildings remaining from the ore refining operation, including the Concentration Mill seen in the background here. Today’s visitor can get a guided tour of the entire inside of this huge building as it clings to a steep mountainside.Over its brief history, Kennecott Corporation, with support from J.P. Morgan, Guggenheim and other New York financiers, produced $200-300 million worth of copper and silver. (Source: National Park Service website)Double-click image to enlarge.In Explore 6 Nov 2023. Best position: #445. |
| 撮影日 | 2023-08-08 10:13:52 |
| 撮影者 | Ted LaBar , Central Kentucky, USA |
| タグ | |
| 撮影地 | Kennecott, Alaska, United States 地図 |
| カメラ | Canon EOS 7D , Canon |
| 露出 | 0.004 sec (1/250) |
| 開放F値 | f/7.1 |
| 焦点距離 | 28 mm |