TY  - BOOK
AU  - Bracewell, Smith.
ED  - British Guiana.
TI  - Report on the preliminary geological survey of the Potaro-Ireng district of British Guiana: April-December, 1926
PY  - 1927///, cyclostyled in 1958
CY  - Georgetown, Demerara
KW  - Geology
KW  - Guyana
KW  - fast
N1  - At head of title: British Guiana. Geological Survey Department; "Combined court no. 21/1927."; Includes bibliographical references
ER  -