Ice wedge in permafrost exposed by placer mining near Livengood, northwest of Fairbanks, Alaska. 1949.

Ice wedge (ground ice) in permafrost exposed by placer mining near Livengood, about 50 miles northwest of Fairbanks, Alaska. Photo by T.L. Pewe. September 1949.

Categories: Image; Tags: Alaska, Ferrians, O.J. Collection, Permafrost, Photographers, Placer Mining, All tags... photo print, Fewer tags

BLM REA YKL 2011 ARDF Placer Mine Sites Status and Hard Rock Mine Sites Status

Current and past placer mining activity in the YKL study area & Current and past hard rock mining activity in the YKL study area. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate. The User is encouraged to carefully consider the content of the metadata file associated with these data. The BLM should be cited as the...

Types: Live Data; Tags: BLM, Bureau of Land Management, DOI, Disturbance, Geospatial, All tags... MapServer, REA, Rapid Ecoregional Assessment, YKL 2011, Yukon Kuskokwim, current, economy, hard rock mining, liveData, past, placer mining, service, Fewer tags

Placer Mining on Shoshone River. Park County, Wyoming. circa 1904.

Placer Mining on Shoshone River, near Ralston, Wyoming. Park County, Wyoming. 1904.

Categories: Image; Tags: Fisher, C.A. Collection, Mills, Mines, Quarries, Park County, Wyoming, Photographers, Placer mining, All tags... photo print, Fewer tags