Johnson, A. C. & McDonald, Ross M. Mining Methods and Costs, Lincoln Tungsten Mine, Wah Chang Mining Corporation, Lincoln County, Nevada. Washington D.C.. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc170708/. Accessed May 3, 2015.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.