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1. Columbite deposits of the lower Puruni River, British Guiana   Publication: Georgetown : Geological Survey Department, 1953. . 3 leaves, 1 folded map Availability: No items available: Actions: Add to cart No cover image available No cover image available
2. Columbite deposits of the lower Puruni River, British Guiana/   Publication: Georgetown : Geological Survey Department, 1953 . 3p., 1 folded map. Date:1953 Availability: Copies available: Turkeyen Campus Caribbean Research Library [TN49 N65 W59] (1), Actions: Add to cart No cover image available No cover image available
3. Monazite in the Rupununi District, British Guiana/   Publication: Georgetown : Geological Survey Department, 1955 . 5p., 1p. of plates : , Mimeograph. Date:1955 Availability: Copies available: Turkeyen Campus Caribbean Research Library [TN948 M7 D83] (1), Actions: Add to cart No cover image available No cover image available