Information concerning manganese ore.
By: Printed for use of Comittee on ways and means, House of representatives.
Publisher: Govt. Print. Off.
Published: 1919
Place of publication: Washington
Language: eng
Number of pages: 28
Subjects: Manganese ores.; Manganese ores -- United States.
Notes: Bibliography: p. 23
At head of title: United States Tariff commission, Washington.
Running title: Manganese ore.
Pamphlet.