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USGS helicopter begins mapping geology in Southwest Colorado

The low-flying aircraft is not taking images, but collecting magnetic geophysical data

Exploratory drilling to continue in La Plata Canyon

Any extraction would be years away, prospectors say

Silver dream goes bust: Ouray mine faces lawsuits for $10M in unpaid bills

After big plans to revive famed Revenue Mine, owners shut down and are in receivership

Bulkheads caused the Gold King Mine spill. Could they also be part of the solution?

Remediation tool can limit acidic drainage, but experts must also understand the complicated hydrology

Passage of federal abandoned mine legislation likely faces uphill battle

Experts raise doubts over bill’s viability, but say it’s a step in the right direction

Coal seam fires in Southwest Colorado deemed low risk

Funding increases to mitigate underground blazes after suspected link to Marshall Fire

New legislation would address abandoned mine pollution in Southwest Colorado

Conservation groups, nonprofits and local governments could finally join remediation efforts

$90 million settlement reached to pay for mine cleanup near Silverton

Deal helps resolve liability issues around 2015 Gold King Mine spill

EPA’s plan to truck toxic mine waste through Telluride isn’t sitting well with locals

Federal agency says there will be short-term pain for long-term gain

Homeowners, buyers aren’t always made aware of radioactive materials

4,266 properties in Grand Junction meet cleanup criteria for uranium; Durango has 129

Dashboard shares data about uranium mine sites across New Mexico

San Juan County is home to Boyd and Hogback

Lawsuit seeks to close GCC Energy’s King II coal mine

Conservation groups say more thorough water study will show excavation unsafe