TY  - RPRT
TI  - Veins of hypogene manganese oxide minerals in the southwestern United States
AU  - D. F. Hewett
PY  - 1964
DO  - 10.2113/gsecongeo.59.8.1429
UR  - https://pubs.usgs.gov/publication/70221905
ID  - 70221905
ER  -