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1. Case history of exploration over an airborne em anomalous zone near Emprensa Hills, Upper Mazaruni River, Guyana/   Publication: [S.1.: s.n, . 27p. , plates missing. Mimeographed. Availability: Copies available: Turkeyen Campus Caribbean Research Library [QE243 .2 B28] (1), Actions: Add to cart No cover image available No cover image available
2. Case history of exploration over an airbone em anomalous zone near Emprensa Hills, Upper Mazaruni River, Guyana   Publication: [S.l. : s.n., 19--]. . 27 p. , Plates missing. | Mimeograph. Availability: No items available: Actions: Add to cart No cover image available No cover image available