Z01660930                       USGS 
H01660930       3828210765722002424017SW0207001111.20                           
N01660930       CLARK RN NR BEL ALTON, MD
Y01660930       
301660930       19660213    180                5.61                      
301660930       19661019    200                5.77                      
301660930       19680114    210                5.84                      
301660930       19690803    170                5.43                      
301660930       19700414    350                6.67                      
301660930       19710827    410                6.79                      
301660930       19720622   4800                8.91                      
301660930       19730821    440                6.90                      
301660930       19740330    440                6.89                      
301660930       19750714   2190                8.48                      
301660930       19760127    280                6.25