Revision History for Circular 1454

Bradley S. Van Gosen, Philip L. Verplanck, and Poul Emsbo

Rare Earth Element Mineral Deposits in the United States

-----------------------------------------------------

Posted online April 11, 2019

-----------------------------------------------------
Revised and reposted April 15, 2019

Additional paragraph of text added to the Summary section to briefly describe USGS studies in Alaska.
Reference citation added: (Karl and others, 2016).