U.S. Department of Agriculture (USDA) Secretary Sonny Perdue, US Representative Liz Cheney and Governor Mark Gordon visit an open-pit coal mine, in the Thunder Basin National Grassland, near Wright, Wyoming, on July 29, 2019. Here, they are visiting dragline earth-moving equipment that is undergoing routine maintenance operations. USDA Photo By Lance Cheung.
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Lance Cheung/Multimedia PhotoJournalist
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