Materials survey
Subtitle: iron ore
By: compiled by the U.S. Dept. of the Interior, Bureau of Mines with the cooperation of the Geological Survey. [Prepared for the National Security Resources Board]
Contributors: Geological Survey (U.S.); United States. National Security Resources Board.
Publisher: U.S. Govt. Print. Off.
Published: 1956
Place of publication: Washington
Language: eng
Subjects: Iron ores.
Notes: Includes bibliographies.