[dd, decimal degrees; ft, feet above the North American Vertical Datum of 1988; OB, bulk deposition from E or VWM; E, depth-integrated depth-integrated environmental; VWM, volume-weighted mean of two snowpack layers; ANC, acid neutralization capacity; ueq/L, microequivalents per liter; uS/cm, microsiemens per centimeter; SC, specific conductance at 25degC; pH values in standard units; H, hydrogen; Ca, calcium; Mg, magnesium; Na, sodium; K, potassium; NH4, ammonium; Cl, chloride; SO4, sulfate; NO3, nitrate; DOC, dissolved organic carbon; mg/L, milligrams per liter; SWE, snow-water equivalent; cm, centimeters; d34S, stable-sulfur isotope ratio (34S/32S); Hg, mercury; ng/L, nanograms per liter; NA or empty cell indicates not analyzed; <, below reporting limits; M, presence verified but not quantified; %, percent missing year indicates no sample collected or sample results reviewed and rejected Roth 1994: Mercury in water by CVAFD with potassium dichromate preservation USEPA Method 1631, Rev E: Mercury in water by Oxidation, Purge and Trap, and CVAFS] Station ID 372900106470000 Site Name WOLF CREEK PASS, CO Latitude (dd) 37.48334156 Longitude (dd) -106.7839308 Elevation (ft) 10850 SiteNumber StationName SampleDate WaterYear SampleType ANC (ueq/L) SC (uS/cm) pH H (ueq/L) Ca (ueq/L) Mg (ueq/L) Na (ueq/L) K (ueq/L) NH4 (ueq/L) Cl (ueq/L) SO4 (ueq/L) NO3 (ueq/L) DOC (mg/L) Total N (mg/L) Total Dissolved N (mg/L) Hg (ng/L) Roth 1994 Hg (ng/L) USEPA 1631 d34S (per mil) SWE (cm) Snow Depth (cm) Ionic Balance (%) 372900106470000 WOLF CREEK PASS, CO 1993-03-31 1993 OB -18 6 4.9 12.6 <3.1 2 <3 <0.5 2.9 <1.1 9.6 6.3 0.3 3.6 97 295 4.8 372900106470000 WOLF CREEK PASS, CO 1994-04-02 1994 OB -10 6 5.1 7.9 10.5 <1.7 <3 2 5.4 3.4 <0.6 11.2 1.1 4 170 27.7 372900106470000 WOLF CREEK PASS, CO 1995-04-02 1995 OB -7 5 5.1 7.9 8.5 <1.7 <3 <0.5 4.9 <1.1 9.2 9.6 0.8 4.5 287 6.2 372900106470000 WOLF CREEK PASS, CO 1996-03-30 1996 OB 9 5 6.1 0.8 27.8 2.6 3.5 1.3 3.5 2.5 12.3 12.7 0.6 6 196 27.6 372900106470000 WOLF CREEK PASS, CO 1997-04-13 1997 OB 6 4 6 1 18.4 1.9 0.5 3.5 1.7 8.1 8.6 0.9 3.9 290 26 372900106470000 WOLF CREEK PASS, CO 1998-03-18 1998 OB -7 4 5.2 6.3 12.5 2.5 0.5 3.8 1.7 9.2 9.5 0.4 3.5 175 11.3 372900106470000 WOLF CREEK PASS, CO 1999-03-17 1999 OB -0.6 5 5.6 2.5 17.4 2.5 2.6 3.1 5.9 2 11.5 10.3 1.2 4.3 178 17.6 372900106470000 WOLF CREEK PASS, CO 2000-03-25 2000 OB -0.8 5 5.2 6.3 12 2.5 3 1.3 4.9 1.7 9 11.9 0.9 5.7 142 14.1 372900106470000 WOLF CREEK PASS, CO 2001-03-27 2001 OB -6 5 5.2 6.3 7.5 <1.7 1.3 2 5.3 <1.1 9 10.7 0.9 239 6.4 372900106470000 WOLF CREEK PASS, CO 2002-03-26 2002 OB 3.8 6 5.9 1.3 22.9 3.3 2.6 3.3 3.7 2.3 8.1 15.7 1.2 6 4.8 28 117 22.1 372900106470000 WOLF CREEK PASS, CO 2003-03-28 2003 OB 2.2 5 5.7 2 18.4 3.3 3.9 3.8 4.4 2 9.8 10.7 1.2 4 68 198 25.6 372900106470000 WOLF CREEK PASS, CO 2004-03-26 2004 OB -3.6 6 5.3 5 7.1 2 <0.9 5.1 7.9 2 9.2 11.4 1.4 4.3 68 188 9.1 372900106470000 WOLF CREEK PASS, CO 2005-03-23 2005 OB -5.4 5 5.2 6.3 4 <1.7 0.9 0.5 3.2 1.1 5.8 7.1 0.3 3.8 110 323 3.1 372900106470000 WOLF CREEK PASS, CO 2006-03-30 2006 OB -2 6.2 5.5 3.2 14.5 2.5 3.5 1 7.6 3.4 9.4 15.7 0.52 56 211 6.2 372900106470000 WOLF CREEK PASS, CO 2007-03-28 2007 OB 3.4 5.5 5.7 2 28.9 3.3 3 1.8 4.2 2.8 10 11.4 0.76 59 178 31.6 372900106470000 WOLF CREEK PASS, CO 2009-03-18 2009 OB 12.6 4.9 6.3 0.5 24.9 2.5 2.2 1.5 5 1.7 8.3 9.3 0.71 0.29 11.1 53 178 43.6 372900106470000 WOLF CREEK PASS, CO 2010-03-25 2010 OB -4.2 4.2 5.4 4 8 1.6 1.3 0.8 5 1.1 5.2 9.3 0.31 3.44 84 272 14 372900106470000 WOLF CREEK PASS, CO 2011-03-23 2011 OB 17.6 6.5 6 1 15 3.3 2.6 2 7.9 1.4 7.7 10.7 1.17 9.15 77 249 42.8 372900106470000 WOLF CREEK PASS, CO 2012-03-21 2012 OB 14 5 5.6 2.5 25.4 4.1 3 3.3 <1.1 2.5 7.3 8.7 1.2 0.22 8.91 48 173 47.7 372900106470000 WOLF CREEK PASS, CO 2013-03-20 2013 OB -2 4 5.5 3.2 13 4.1 1.3 5.1 5.7 2.3 4.8 7.9 1.3 0.2 10.8 52 165 36.7 372900106470000 WOLF CREEK PASS, CO 2014-03-23 2014 OB 16.2 5 6.5 0.3 21 4.1 3 2.6 6.3 2.8 6.9 9.9 0.58 0.26 0.26 62 198 46.4 372900106470000 WOLF CREEK PASS, CO 2015-03-24 2015 OB -0.8 3.4 5.6 2.5 7.5 1.6 1.7 1 5.7 1.7 4.4 7.1 0.38 0.15 3.47 54 160 20.5 372900106470000 WOLF CREEK PASS, CO 2016-03-22 2016 OB 12.4 4.2 5.7 2 16 2.5 2.2 2 5.2 2.3 5.2 7.9 0.58 0.28 10.6 52 163 46.6