Suggested citation and version history for: Langenheim, V.E., Biehler, S., Negrini, R., Mickus, K., Miller, D.M., and Miller, R.J., 2009, Gravity and magnetic Investigations of the Mojave National Preserve and adjacent areas, California and Nevada: U.S. Geological Survey Open-File Report 2009-1117, 25 p. [http://pubs.usgs.gov/of/2009/1117/]. Version 1.0 June 29, 2009 Added data, metadata, and readme files June 23, 2009 Initial release online at http://pubs.usgs.gov/of/2009/1117/