- Inventory of Manganese in United States in 1955Jan 15, 1956
- Inventory of Manganese in United States in 1954Jan 15, 1955
- Inventory of Manganese in United States in 1953Jan 15, 1954
- Inventory of Manganese in United States in 1952Jan 15, 1953
- Inventory of Manganese in United States in 1951Jan 15, 1952
- Inventory of Manganese in United States in 1950Jan 15, 1951
- Inventory of Manganese in United States in 1949Jan 15, 1950
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