TY  - RPRT
TI  - New insight into the origin of manganese oxide ore deposits in the Appalachian Valley and Ridge of northeastern Tennessee and northern Virginia, USA
AU  - Sarah K. Carmichael
AU  - Daniel H. Doctor
AU  - Crystal G. Wilson
AU  - Joshua Feierstein
AU  - Ryan J. McAleer
PY  - 2017
DO  - 10.1130/b31682.1
UR  - https://pubs.usgs.gov/publication/70191279
ID  - 70191279
ER  -