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1.

Title

Nonmetallic Minerals Needed for National Defense: 1 Fertilizer Materials

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Author

Johnson, Bertrand L.

Format

Book; Government Document; Online; EBook

Publication Date

1941

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2.

Title

Greensand

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Author

Tyler, Paul M. (Paul McIntosh)

Format

Book; Government Document; Online; EBook

Publication Date

1934

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Call Number

TN23.U5 no.6782 1934

3.

Title

Nonmetallic Minerals Needed for National Defense: [Part] 4 Building Materials

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Author

O'Neill, Leo J.

Format

Book; Government Document; Online; EBook

Publication Date

1941

Access Online

View full text from Hathi Trust