Neguse, D-Colo., amendment no. 8 that would insert the text of two bills (HR 1373 and HR 823) that would effectively prohibit any new mining or mineral production activities on approximately one million acres of federal lands in the Grand Canyon region of Arizona and approximately 261,000 acres of land in Colorado by withdrawing the federal lands from eligibility for mining and mineral and geothermal leasing. It would also designate or expand a number of federal land management areas in Colorado; designate the Camp Hale National Historic Landscape in Colorado and authorize $10 million for its administration; and modify or expand certain Interior Department land use authorities, including authorities related to land transfer and acquisition, livestock grazing and military high altitude flight training.