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A Tenth Of U S. Veteran Coal Miners Have Black Lung Disease

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Creede, Colorado's Underground Mining Museum With 50 exhibit buildings, numerous artifacts, and 66 main displays within the mine yard, visitors can spend a few hours to a whole day lost in the unfolding story. Take a virtual tour of Boulder County’s mining history. A map exhibits places and details http://simon912x6.blogofchange.com/7891199/column

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