Bureau of Land Management's Mineral Materials Program
We audited the Bureau of Land Management's (BLM) mineral materials sales program to determine whether the U.S. Department of the Interior obtained market value for materials removed from Federal lands.
U.S. Department of the Interior's Underground Injection Control Activities
The U.S. Geological Survey estimated in 2013 that “more than 100 million people in the United States, about 35 percent of the population . . . received their drinking water from public groundwater systems.” The U.S.