Webber, B. N. (1952). Manganese deposits in the North West District, British Guiana: Reconnaissance report on Kurupung diamond field, Mazaruni District, British Guiana ; Progress report on Kurupung Placers Company, Ltd, . Kurupung river, Mazaruni River District, British Guiana ; Reconnaissance of the Alex Hill and Mad Kiss mines, Cuyuni goldfields, Aurora District, Cuyuni river, British Guiana.
Chicago-Zitierstil (17. Ausg.)Webber, Benjamin N. Manganese Deposits in the North West District, British Guiana: Reconnaissance Report on Kurupung Diamond Field, Mazaruni District, British Guiana ; Progress Report on Kurupung Placers Company, Ltd, . Kurupung River, Mazaruni River District, British Guiana ; Reconnaissance of the Alex Hill and Mad Kiss Mines, Cuyuni Goldfields, Aurora District, Cuyuni River, British Guiana. 1952.
MLA-Zitierstil (9. Ausg.)Webber, Benjamin N. Manganese Deposits in the North West District, British Guiana: Reconnaissance Report on Kurupung Diamond Field, Mazaruni District, British Guiana ; Progress Report on Kurupung Placers Company, Ltd, . Kurupung River, Mazaruni River District, British Guiana ; Reconnaissance of the Alex Hill and Mad Kiss Mines, Cuyuni Goldfields, Aurora District, Cuyuni River, British Guiana. 1952.