Z09051500                       USGS 
H09051500       3939001060447000808117SW1401000213.4           8691.59          
N09051500       WILLOW CREEK NEAR DILLON, CO.
Y09051500       
309051500       19430602    150                2.30                      
309051500       19440530    116                2.10                      
309051500       19450624    102                2.10                      
309051500       19460618    112                2.08                      
309051500       19470620    162                2.32                      
309051500       19480603    141                2.16                      
309051500       19490617    138                2.20                      
309051500       19500616    166                2.28                      
309051500       19510621    210                2.35   2              2.64