Z05540091                       USGS 
H05540091       4150070881058001717043SW071200046.83           690.15           
N05540091       SPRING BK AT FOREST PRESERVE NR WARRENVILLE, IL
Y05540091       
305540091       19920909    118C               9.69                      
305540091       19930323    194C              10.63                      
305540091       19940624    297C              11.24                      
305540091       19950114    213C              10.75                      
305540091       19960718    393C              12.60                      
305540091       19970221    310C              11.84                      
305540091       19980507    179C              10.40   2             10.90
305540091       19990613    203C              10.71   2             10.90
305540091       20000420    282C              11.09                      
305540091       20010209    177C              10.43                      
305540091       20011013    364C              12.34                      
305540091       20030501    178C              10.27                      
305540091       20040328    180C              10.47                      
305540091       20050113    190C              10.26                      
305540091       20060610    201C              10.40                      
305540091       20061003    333C              11.28                      
305540091       20080913    391C              12.23                      
305540091       20081227    372C              11.93                      
305540091       20100724    389C              12.20