USGS Aeromagnetic Survey 1999, Amargosa Desert / Death Valley Sander Geophysics Ltd. Final data delivery Ascii grids of Total magnetic Intensity (TMI.GXF) and Radar Altimeter (RAD.GXF). *********** Header information from TMI.GXF ************ TOTAL MAGNETIC INTENSITY NOVEMBER 25, 1999 DATUM NAD-27-USA, UTM ZONE 11N SANDER GEOPHYSICS LTD #POINTS 1376 #ROWS 1327 #PTSEPARATION 100.0000 #RWSEPARATION 100.0000 #XORIGIN 499000.00 #YORIGIN 3964200.00 #SENSE 1 #DUMMY -9999.000 #GRID Chris Church Sander Geophysics Ltd. 260 Hunt Club Road Ottawa, Ontario Canada K1V 1C1 (613)-521-9626