Time required in developing selected Arizona copper mines
By: by Lorraine B. Burgin ; Intermountain Field Operation Center.
Contributors: United States. Bureau of Mines.
Series: Information circular - Bureau of Mines ; 8702; Information circular (United States. Bureau of Mines) -- 8702.
Publisher: U.S. Dept. of the Interior, Bureau of Mines : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1976
Place of publication: Washington
Language: eng
Number of pages: 144
Subjects: Copper mines and mining -- Arizona.
Notes: Chiefly tables.

Includes bibliographies.