"Arizona and Utah officials are asking US President Donald Trump to end a 20-year ban on uranium mining near the Grand Canyon, which came into effect in 2012 as part of a set of environmental protection rules passed during the Obama administration."
"They are also pushing for the abolishment of national monument designations in Arizona, such as Grand Canyon-Parashant and Vermillion Cliffs. They argue those nominations have limited coal, natural gas and oil production in the area, severely hurting the local economy, Knau Arizona Public Radio reports."
http://www.mining.com/trump-urged-end-uranium-mining-ban-near-grand-canyon/