Cita APA

Johnson, R. C. (1977). Geological investigation and ore reserve estimation of the Copper Chief (Ruby Hill) Mine, Douglas County, Nevada.

Citación estilo Chicago

Johnson, Robert Crandall. Geological Investigation and Ore Reserve Estimation of the Copper Chief (Ruby Hill) Mine, Douglas County, Nevada. 1977.

Cita MLA

Johnson, Robert Crandall. Geological Investigation and Ore Reserve Estimation of the Copper Chief (Ruby Hill) Mine, Douglas County, Nevada. 1977.