TY  - BOOK
ED  - Guiana.Geological Survey Department
TI  - Report on the geological survey department for the year 1949
U1  - 550 21st ed.
PY  - 1950///
CY  - Demerara
PB  - Daily Chronicle
KW  - Geological surveys-Guiana
KW  - Geology-Guiana
ER  -