Materials survey: iron ore.
By: Compiled by the U.S. Department of the Interior, Bureau of Mines, with the cooperation of the Geological Survey.
Contributors: U.S.  Geological Survey; U.S.  National Security Resources Board
Publisher: U.S. Govt. Print. Off.
Published: 1956
Place of publication: Washington
Language: eng
Subjects: Iron ores
Notes: Prepared for the National Security Resources Board.

Includes bibliographies.