filename=f_18.jpg
lat1=46.33
lat2=41.66
lonlat0=-93 48
xy0=1138 156
lonlat1=-85 44
xy1=4896 3142
lonlat2=-77 40
xy2=9173 5733
lonlat3=-78 42
xy3=8532 4383
dims=-93 48 -77 40
