Z01589240                       USGS 
H01589240       3923300764554002424005SW0206000319.30          420              
N01589240       GWYNNS FALLS AT MCDONOGH, MD
Y01589240       
301589240       19580125                       6.74                      
301589240       19600912                       6.19                      
301589240       19620312                       6.01                      
301589240       19621110                       6.05                      
301589240       19640109                       6.81                      
301589240       19650805                       6.90                      
301589240       19660213                       6.28                      
301589240       19670827                       8.81                      
301589240       19710803   1300                8.00                      
301589240       19720622  14700               18.80                      
301589240       19721208    820                6.95                      
301589240       19750926   2100                9.58                      
301589240       19760101   1160                7.81                      
301589240       19770322    550                6.10                      
301589240       19780126   1250                8.00                      
301589240       19790906   2400               10.00                      
301589240       19791001   10508                                         
301589240       19810614    462                5.73                      
301589240       19820613    622                6.34                      
301589240       19830308    570                6.16                      
301589240       19840813   4400               12.40