Filenames and descriptions for AREACIRC source

aerscreen_terr.inp:                    AERSCREEN input file with terrain
aerscreen_flat.inp:                    AERSCREEN input file with flat 
                                       terrain

aerscreen_terr.out:                    AERSCREEN output file with terrain 
aerscreen_flat.out:                    AERSCREEN output file with flat terrain

aerscreen_terr.log:                    AERSCREEN log file with terrain 
aerscreen_flat.log:                    AERSCREEN log file with flat terrain 

                      
aerscreen_terr_max_conc_distance.txt:  AERSCREEN maximum concentration vs. 
                                       distance file with terrain 
aerscreen_flat_max_conc_distance.txt:  AERSCREEN maximum concentration vs.
                                       distance file with flat terrain

discrete.txt:                          Text file containing two discrete 
                                       receptor distances
                                       
sc.out:                                AERSURFACE seasonal output for three 
                                       surface roughness sectors
                                       
demlist.txt:                           Text file containing terrain file type 
                                       and terrain filename
NED_32948525:                          Folder containing containing NED terrain 
                                       file
conus.los,conus.las:                   NAD grid files used by AERMAP for terrain 
                                       processing


