Analyzed iron and manganese ores
Subtitle: methods of analysis.
Edition: 1st ed.
Series: Circular of the Bureau of Standards -- no. 26
Publisher: Government Printing Office
Published: 1910
Place of publication: Washington
Language: eng
Number of pages: 14
Subjects: Iron ores -- Analysis.; Manganese ores -- Analysis.
Notes: "Issued June 25, 1910."

At head of title: Department of Commerce and Labor.