Global News Wire Africa Analysis February 5, 1999 LENGTH: 294 words HEADLINE: AND THEN THERE WERE THREE...: FRANCEVILLE, GABON. BODY: Cogema's closure of the Mounana uranium mine near here leaves sub--Saharan Africa with only three producers of radioactive material -- Niger, Namibia and South Africa (where it is a by--product of gold mining; Africa Analysis, no.307). With uranium prices depressed, and unlikely to pick up in the immediate future, Cogema (Compagnie Generale des Matieres Nucleaires de France) has abandoned plans for a short--life open--pit operation at the nearby Mikouloungou deposit, which contains an estimated 1,100 tonnes of uranium. Mounana's 150--strong...