@misc{indiciae387901a88e51, title = {Draft critical mineral list—Summary of methodology and background information—U.S. Geological Survey technical input document in response to Secretarial Order No. 3359}, author = {Steven M. Fortier and Nedal T. Nassar and Graham W. Lederer and Jamie Brainard and Joseph Gambogi and Erin A. McCullough}, year = {2018}, doi = {10.3133/ofr20181021}, url = {https://pubs.usgs.gov/publication/ofr20181021}, note = {Source identifier: ofr20181021} }