TY  - RPRT
TI  - Geology and manganese deposits of Guisa-Los Negros area, Oriente Province, Cuba
AU  - W. P. Woodring
AU  - S.N. Daviess
PY  - 1943
DO  - 10.3133/ofr4349
UR  - https://pubs.usgs.gov/publication/ofr4349
ID  - ofr4349
ER  -