Version history for Mankinen, Edward A., Roberts, Carter W., McKee, Edwin H., Chuchel, Bruce A., and Moring, Barry C., 2006, Geophysical data from the Spring and Snake Valleys area, Nevada and Utah: U.S. Geological Survey Open- File Report 2006-1160 [available on the World Wide Web at http://pubs.usgs.gov/of/2006/1160/ ]. Version 1.0, October 20, 2006 Initial release online at http://pubs.usgs.gov/of/2006/1160/