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Cite

Validating location of phosphate-rock deposits.

MLA

United States. Validating location of phosphate-rock deposits. Washington : [publisher not identified], 1914.

APA

United States. (1914). Validating location of phosphate-rock deposits. Washington : [publisher not identified].

Chicago

United States. Validating location of phosphate-rock deposits. Washington : [publisher not identified], 1914.

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