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First Superfund site on Navajo Nation to address uranium mining pollution

Residents in Arizona community have suffered impacts of radiation exposure for decades

Comments accepted on HD Mountains drilling plan

Responses to environmental assessment accepted through Jan. 16

USGS helicopter begins mapping geology in Southwest Colorado

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

Four Corners Gem and Mineral Club celebrates 76 years

Annual show will host 60 vendors Friday, Saturday and Sunday in Durango

Silverton awarded $800,000 from EPA

Grant will be used for environmental cleanup and revitalization

Exploratory drilling to continue in La Plata Canyon

Any extraction would be years away, prospectors say

Silverton mine waste repository construction to begin

The site will provide a final resting place for sludge removed from drainage of mines

EPA outlines 2023 Bonita Peak cleanup priorities

Agency has several large projects in the Silverton Superfund site on next year’s schedule

Judge rules Polis administration illegally delaying decision on coal mine permit

Patrick of the Gunnison County District Court wrote that the APCD violated state laws in missing deadline to make a final decision on the West Elk’s Title V permit

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

How do you keep Colorado hikers from falling 300 feet down a mine shaft? Foam

Since 1980, officials have gated and plugged more than 13,000 inactive mines

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