TY - RPRT TI - Permissive tracts for sediment-hosted lead-zinc-silver deposits in the Islamic Republic of Mauritania (phase V, deliverable 73) AU - Jeffrey L. Mauk PY - 2015 DO - 10.3133/ofr20131280j UR - https://pubs.usgs.gov/publication/ofr20131280J ID - ofr20131280J ER -