Charles "Sky" Anderson
Science and Products
Comparison of U.S. net import reliance for nonfuel mineral commodities—A 60-year retrospective (1954–1984–2014)
Introduction The economic vitality and national security of the United States depend on the reliable supply of numerous nonfuel mineral commodities. Over the past six decades, many of these commodities have been sourced increasingly from outside the United States. The mix of commodities for which the United States is import dependent has changed...
Fortier, Steven M.; DeYoung,, John H.; Sangine, Elizabeth S.; Schnebele, Emily K.
A USGS scientist prepares a sample to test the effect of antibiotics
A USGS scientist prepares a sample to test the effect of antibiotics on denitrifying bacteria within a glove box. A glove box allows scientists to work with samples in an anaerobic (no oxygen) atmosphere, the conditions under which denitrification occurs.
Critical Minerals and the U.S. Economy
Minerals critical to the U.S. economy are identified in a new report funded by the U.S. Geological Survey (USGS) and the National Mining Association.