O'Neill, J. M. (2002). Geologic investigations in the Lake Valley Area, Sierra County, New Mexico (Version 1.0.). Denver, Colo.: U.S. Departamento of the Interior, Geological Survey.
Chicago Style CitationO'Neill, J. Michael. Geologic Investigations in the Lake Valley Area, Sierra County, New Mexico. Version 1.0. Denver, Colo.: U.S. Departamento of the Interior, Geological Survey, 2002.
MLA CitationO'Neill, J. Michael. Geologic Investigations in the Lake Valley Area, Sierra County, New Mexico. Version 1.0. Denver, Colo.: U.S. Departamento of the Interior, Geological Survey, 2002.
Warning: These citations may not always be 100% accurate.