Z09306015 USGS H09306015 3947201081023000808103SW1405000624.0 6592.00 N09306015 MIDDLE FORK STEWART GULCH NEAR RIO BLANCO, CO. Y09306015 309306015 1974 0.00Bm 309306015 1975 0.00Bm 309306015 19760209 3.20 1.40 309306015 1978 0.00Bm 309306015 1979 0.00Bm 309306015 1980 0.00Bm 309306015 19810215 1.30 1.23