Results: 1 - 3 of 3
Dec 31, 1979
Earth Sciences Note
… material is more suitable for structural clay products or … in "earth colour" pottery or structural clay products. A sample … expanded aggregate production. Structural clay products could be …
Dec 31, 1981
Economic Geology Report
… are useful for the production of structural clay products or pottery … use for the production of structural clay products or pottery …
Dec 31, 1988
Earth Sciences Report
… 50 percent, often resulting in structural thickening of the Jewel …