Comparison of U.S. net import reliance for nonfuel mineral commodities—A 60-year retrospective (1954–1984–2014)

Online link http://pubs.usgs.gov/fs/2015/3082/
Description 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
Originators Fortier, Steven M.; DeYoung, John H. Jr.; Sangine, Elizabeth S.; and Schnebele, Emily K.
Publication U.S. Geological Survey Fact Sheet 2015-3082