- Shipments of Niobium Materials in United States in 1975Jan 15, 1976
- Shipments of Niobium Materials in United States in 1974Jan 15, 1975
- Shipments of Niobium Producer in United States in 1974Jan 15, 1975
- Shipments of Niobium Producer in United States in 1973Jan 15, 1974
- Shipments of Niobium Materials in United States in 1973Jan 15, 1974
- Shipments of Niobium Materials in United States in 1972Jan 15, 1973
- Shipments of Niobium Producer in United States in 1972Jan 15, 1973
- Shipments of Niobium Producer in United States in 1971Jan 15, 1972
- Shipments of Niobium Materials in United States in 1971Jan 15, 1972
- Shipments of Niobium Materials in United States in 1970Jan 15, 1971
- Shipments of Niobium Producer in United States in 1970Jan 15, 1971
- Shipments of Niobium Producer in United States in 1969Jan 15, 1970
- Shipments of Niobium Materials in United States in 1969Jan 15, 1970
- Shipments of Niobium Materials in United States in 1968Jan 15, 1969
- Shipments of Niobium Producer in United States in 1968Jan 15, 1969
- Shipments of Niobium Producer in United States in 1967Jan 15, 1968
- Shipments of Niobium Materials in United States in 1967Jan 15, 1968
- Shipments of Niobium Materials in United States in 1966Jan 15, 1967
- Shipments of Niobium Materials in United States in 1965Jan 15, 1966
- Shipments of Niobium Materials in United States in 1964Jan 15, 1965
