Revision history for U.S. Geological Survey Open-File Report 2020–1127

By Nedal T. Nassar, Elisa Alonso, and Jamie L. Brainard

Investigation of U.S. Foreign Reliance on Critical Minerals—U.S. Geological Survey Technical Input Document in Response to Executive Order No. 13953 Signed September 30, 2020

-----------------------------------------------------
Posted online December 04, 2020

-----------------------------------------------------
Revised and reposted December 7, 2020 as version 1.1

The explanation in figure 2 was revised to remove "%" from Time series (1990−2018%).

The explanation in figure 4 was revised to change the x-axis at the bottom of the piper diagram from 100-0 to 0-100.