Z09419790                       USGS 
H09419790       3607141145434003232003SW150100152200           1360.            
N09419790       LV WASH BLW LAKE LAS VEGAS BLW HENDERSON, NV
Y09419790       
309419790       19920331    640126                                       
309419790       19930209    5856               5.17                      
309419790       19940825    6366               6.08                      
309419790       19950105   15706               7.78                      
309419790       19960710   12906              10.12                      
309419790       19970904   18506               9.73                      
309419790       19980207   21006               9.76                      
309419790       19990714   10006               7.44                      
309419790       20000224   11006               7.70                      
309419790       20010226   15906               6.88   2              7.30
309419790       20020618    5796               6.50