@misc{indiciae82dadee40a05, title = {Focus areas for data acquisition for potential domestic sources of critical minerals—Rare earth elements}, author = {Jane M. Hammarstrom and Connie L. Dicken}, year = {2019}, doi = {10.3133/ofr20191023a}, url = {https://pubs.usgs.gov/publication/ofr20191023A}, note = {Source identifier: ofr20191023A} }