--------------------------              
  File name =  PS1688R2-M0              
-----------+--------------              
     DT        density                  
    sec       gr/cm**3                  
-----------+--------------              
    0.0000   0.3672D-13                 
    0.7690   0.3838D-13                 
    1.7880   0.4058D-13                 
    2.8160   0.4278D-13  ***            
    3.8360   0.4498D-13  ***            
    4.8640   0.4720D-13  ***            
    5.8840   0.4818D-13  ***            
    6.9120   0.4830D-13  ***            
    7.9400   0.4858D-13  ***            
    8.9590   0.4884D-13  ***            
    9.9880   0.4904D-13  ***            
   11.0070   0.4908D-13  ***            
   12.0350   0.4888D-13  ***            
   13.0550   0.4856D-13  ***            
   14.0830   0.4812D-13  ***            
   15.1020   0.4776D-13  ***            
   16.1310   0.4754D-13  ***            
   17.1500   0.4736D-13  ***            
   18.1780   0.4716D-13  ***            
   19.1980   0.4690D-13  ***            
   20.2260   0.4666D-13  ***            
   21.2450   0.4654D-13  ***            
   22.2740   0.4672D-13  ***            
   23.2930   0.4714D-13  ***            
   24.3210   0.4776D-13  ***            
   25.3410   0.4830D-13  ***            
   26.3690   0.4868D-13  ***            
   27.3880   0.4898D-13  ***            
   28.4170   0.4920D-13  ***            
   29.4360   0.4932D-13  ***            
   30.4640   0.4944D-13  ***            
   31.4840   0.4960D-13  ***            
   32.5120   0.4976D-13  ***            
   33.5320   0.4984D-13  ***            
   34.5600   0.4992D-13  ***            
   35.5880   0.5002D-13  ***            
   36.6070   0.5010D-13  ***            
   37.6360   0.5020D-13  ***