Mines and mining
Subtitle: Copper.
Contributors: Kirchhoff, Charles.; United States. Bureau of the Census.
Series: Census (11th, 1890) Bull. No. 96
Publisher: [s.n.]
Published: 1891
Place of publication: Washington, D.C
Format: Microform
Subjects: Mines and mineral resources -- United States -- Statistics.; Copper industry and trade.; United States -- Census.
Genres: Statistics.