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Start Over You searched for: Author Interior Dept. Remove constraint Author: Interior Dept. Catalog Issue Year Decade 1970 - 1979 Remove constraint Catalog Issue Year Decade: 1970 - 1979

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882. Uranium in 1974.

883. Beryllium in 1974.

884. Cesium and rubidium in 1974.

885. Tungsten in 1974.

886. Natural graphite in 1974.

887. Perlite in 1974.

890. Engineering drawing microfilm system.