Z10302160                       USGS 
H10302160       3834411184924003232021SW16050304               7940.            
N10302160       COTTONWOOD CK NR WALKER LAKE, NV
Y10302160       
310302160       20050530   4.10                7.01                      
310302160       20060430   1.80                6.78                      
310302160       20070426   1.00                6.60                      
310302160       20080531   2.40                6.79