Minnesota Geological Survey Miscellaneous Map M-104. Bedrock geology and structure of the seven-county Twin Cities metropolitan area, Minnesota, J.H. Mossler and R.G. Tipping 2000 The accompanying map should be viewed using Acrobat Reader 4.0 or higher for best results. If necessary, download this file in binary, not ASCII. Also available on paper as a plotter map; contact the MGS Map Sales office at 612-627-4780, ex. 238. WHEN PRINTING, LEVEL 2 POSTSCRIPT PRINT METHOD MAY NEED TO BE SELECTED FROM OPTIONS IN THE PRINT DIALOG BOX. There also have been problems when printing to large format plotters from Windows if the host machine prints using another networked computer as a spooler. The large maps usually fail to print. This problem has been solved by creating a port that accesses the plotter over a network directly without using an intermediate computer.