Suggested citation and version history for


  Beard, L.S., Anderson, R.E., Block, D.L., Bohannon, R.G., 
       Brady, R.J., Castor, S.B., Duebendorfer, E.M., 
       Faulds, J.E., Felger, T.J., Howard, K.A., Kuntz, 
       M.A., and Williams, V.S., 2007, Preliminary geologic 
       map of the Lake Mead 30' X 60' quadrangle, Clark 
       County, Nevada, and Mohave County, Arizona:  U.S. 
       Geological Survey Open-File Report 2007-1010, 
       109 p., 3 plates, scale 1:100,000 
       [http://pubs.usgs.gov/of/2007/1010/].



  Version 1.0


  April 5, 2007

  Initial release online at
  http://pubs.usgs.gov/of/2007/1010/