TY  - RPRT
TI  - Reported industrial minerals occurrences and permissive areas for other occurrences in the Islamic Republic of Mauritania, (phase V, deliverable 89)
AU  - William H. Langer
PY  - 2015
DO  - 10.3133/ofr20131280r
UR  - https://pubs.usgs.gov/publication/ofr20131280R
ID  - ofr20131280R
ER  -