Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Manganese nodules. 3 Manganese nodules -- Composition. 2 Manganese nodules -- North Pacific Ocean. 1 Manganese nodules -- North Pacific Ocean -- Composition. 1 Manganese nodules -- Pacific Ocean. 1 Manganese ores. 28 SEE ALSO narrower term: Manganese nodules. 3 Manganese ores -- Alabama. 1 Manganese ores -- Arizona -- Mohave County. 1 Manganese ores -- Arkansas -- Batesville. 1 Manganese ores -- Brazil. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >