Z01645750                       USGS 
H01645750       3853520772112005151059SW020700081.58           317.09           
N01645750       S F LITTLE DIFFICULT RUN NEAR FAIRFAX, VA
Y01645750       
301645750       19660914   80.0                6.37                      
301645750       19670824    200                8.31                      
301645750       19680114   60.0                5.66                      
301645750       19690603    210                8.37                      
301645750       19700814   80.0                6.50