Z09306052 USGS H09306052 3948511081435000808103SW140500067.97 6434.00 N09306052 SCANDARD GULCH AT MOUTH, NEAR RIO BLANCO, CO. Y09306052 309306052 1974 0.00Bm 309306052 19750304 1.004 1.65 309306052 19760318 4.00 1.16 309306052 19780729 6.00 1.18 309306052 19790313 4.60 1.14 309306052 19800220 2.60 1.05 309306052 19810717 6.30 1.14 309306052 19820220 9.20 1.24 309306052 19830311 9.70 1.27 309306052 19840801 32.0 1.77 309306052 19850712 8.40 1.41