1. The structural analysis of Matthews Ridge manganese mine, North West district, Guyana, August 1969   Publication: [S.l. : s.n.], 1969. . 35 p. , Paper presented at the 8th Guiana Geological Conference, August 1969. Availability: No items available: Actions: Add to cart No cover image available No cover image available
2. Matthew's Ridge mananese mines N.W.D.: Guyana and its environment   Publication: [Georgetown : s.n. 19--?] . ii, 11, [84] p. : ill. , Mimeograph. Availability: No items available: Actions: Add to cart No cover image available No cover image available
3. The structural analysis of Matthews Ridge manganese mine, North West District, Guyana, August 1969/   Publication: S.l. : s.n., 1969 . 35p. , Paper presented at the 8th Guiana Geological Conference, August 1969. Date:1969 Availability: Copies available: Turkeyen Campus Caribbean Research Library [TN490 M3 W4] (2), Actions: Add to cart No cover image available No cover image available
4. Mathew's Ridge manganese mines N.W.D. :   Publication: Georgetown : s.n., . ii, 11 [84]p. : , Mimeographed. Availability: Copies available: Turkeyen Campus Caribbean Research Library [TN490 M3 W47] (1), Actions: Add to cart No cover image available No cover image available