O'Neill, J. M. (2002). Geologic investigations in the Lake Valley area, Sierra County, New Mexico. U.S. Dept. of the Interior, U.S. Geological Survey For sale by U.S. Geological Survey, Information Services.
Chicago Style (17th ed.) CitationO'Neill, J. Michael. Geologic Investigations in the Lake Valley Area, Sierra County, New Mexico. [Reston, VA], Denver, CO: U.S. Dept. of the Interior, U.S. Geological Survey For sale by U.S. Geological Survey, Information Services, 2002.
MLA (9th ed.) CitationO'Neill, J. Michael. Geologic Investigations in the Lake Valley Area, Sierra County, New Mexico. U.S. Dept. of the Interior, U.S. Geological Survey For sale by U.S. Geological Survey, Information Services, 2002.
Warning: These citations may not always be 100% accurate.