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15 search results for: abandoned mine

1

Mapping Abandoned Coal Mines

Did you know there are 48,529 abandoned coal mines in the United States which are known to pose a threat to the public and/or the environment? This number comes from the most comprehensive federal database that we know of – the enhanced Abandoned Mine Lands Inventory System (eAMLIS) maintained by the Office of Surface Mining (OSM).  Of […]

2

Déjà Vu All Over Again: Tailings Dam Failures at Metal Mines Around the World

Catastrophic mine spills have been in the news frequently enough that we are devoting a few articles to cover some of the problems plaguing existing mines and posing serious concerns for new and proposed mines like Pebble in Alaska, Red Chris in British Columbia, and NorthMet in Minnesota. In this post we’re only covering impoundment failures […]

3

Mapping Inactive Metal Mines Across the US

On August 5, more than 3,000,000 gallons of acidic, heavy-metal-laden mine waste from the Gold King Mine polluted the Animas River in southwestern Colorado. Ironically, the accident occurred while contractors for the U.S. Environmental Protection Agency (EPA) were trying to plug a smaller leak from the inactive mine that was already polluting the river.  This was […]

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From the Bird’s Foot to the Dogsleg: 2015 in Review

Our most recent trip around the sun was filled with growth and major (positive!) impact for the environment, so we’re inviting you to share in our success. Of course, SkyTruth is a 501 (c) (3) non-profit, so your tax-deductible donation before midnight tomorrow will reduce your 2015 tax bill and help us keep a sharp […]