In a previous post, I described a problem with importing USGS DEMs. I have
found that if you have a directory in your path to the .DEM file that
contains a space in it, then the file will not import and you receive this
"GRD ERROR - Syntax error at or near symbol))"
Because I was naming my directories based upon the USGS quad names, I
originally thought the problem came with having a space in the quad name.