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Start Over You searched for: Publish Year Decade 1920 - 1929 Remove constraint Publish Year Decade: 1920 - 1929 Sudoc Stem C 22.8/a Remove constraint Sudoc Stem: C 22.8/a

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121. Gypsum in 1925; by Jefferson Middleton.

126. Chromite in 1925; by J. W. Furness.

128. Lime in 1925; by A. T. Coons.

129. Natural gas in 1925; by G. R. Hopkins.

130. Cay in 1925; by Jefferson Middleton.