TY  - RPRT
TI  - Manganese deposits of the Talamantes district near Parral, Chihuahua, Mexico
AU  - I.F. Wilson
AU  - V.S. Rocha
PY  - 1948
DO  - 10.3133/b954e
UR  - https://pubs.usgs.gov/publication/b954E
ID  - b954E
ER  -