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Materials survey, iron ore.

APA Citation

United States. Bureau of Mines., United States. National Security Resources Board., Geological Survey (U.S.). (1956). Materials survey, iron ore. Washington: U. S. Govt. Print. Off.

MLA Citation

United States. Bureau of Mines, United States. National Security Resources Board, and Geological Survey (U.S.). Materials Survey, Iron Ore. Washington: U. S. Govt. Print. Off, 1956.

Warning: These citations may not always be complete (especially for serials).