[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	463828114364600																								
Site Name	GRANITE PASS, MT																								
Latitude (dd)	46.6411111																								
Longitude (dd)	-114.6127778																								
Elevation (ft)	6540																								
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 (%)
463828114364600	GRANITE PASS, MT	1993-04-03	1993	OB	-4	3	5.3	5	<3.1	<1.7	<3	<0.5	1.8	<1.1	3.3	2.2	0.4					5.2	56	183	10.6
463828114364600	GRANITE PASS, MT	1994-03-23	1994	OB	-6	3	5.3	5	<3.1	<1.7	<3	0.5	2.2	1.4	3.1	3	0.7					5.4		147	1.3
463828114364600	GRANITE PASS, MT	1995-03-17	1995	OB	-4	2	5.3	5	<3.1	<1.7	<3	<0.5	1.7	<1.1	2.3	2.4	0.5					4		201	17.5
463828114364600	GRANITE PASS, MT	1996-03-16	1996	OB	-3	2	5.4	4	<3.1	<1.7	<0.9	1.5	<0.7	<1.1	1.9	1.8	0.9							216	19.6
463828114364600	GRANITE PASS, MT	1997-03-17	1997	OB	-6	2	5.3	5	<3.1	<1.7		0.5	0.8	<1.1	1.7	2	0.8					5.9		351	26
463828114364600	GRANITE PASS, MT	1998-03-16	1998	OB	-7	3	5.2	6.3	<3.1	<1.7		0.8	1	2	2.9	3.5	0.8					7.1		150	-1.8
463828114364600	GRANITE PASS, MT	1999-03-15	1999	OB	-5.4	3	5.3	5	<3.1	<1.7	<0.9	0.5	1.2	<1.1	1.7	1.5	0.4					7.7		292	35.4
463828114364600	GRANITE PASS, MT	2000-03-13	2000	OB	-1.4	2	5.2	6.3	<3.1	<1.7	<0.9	<0.5	1.6	<1.1	2.1	2	0.8					6.8		211	31.7
463828114364600	GRANITE PASS, MT	2001-03-16	2001	OB	-2.8	4	5.4	4	5.5	<1.7	1.7	1	3.7	<1.1	5	5	0.9			4.4		5.2		122	22.8
463828114364600	GRANITE PASS, MT	2002-03-07	2002	OB	-3.2	3	5.5	3.2	<3.1	<1.7	<0.9	0.5	1.3	<1.1	1.9	2.9	0.5			11.1			75	239	2
463828114364600	GRANITE PASS, MT	2003-03-09	2003	OB	-2.6	4	5.2	6.3	<3.1	<1.7	<0.9	1	2.3	<1.1	1.7	2.1	0.5			3.3			68	251	43.3
463828114364600	GRANITE PASS, MT	2004-03-07	2004	OB	-15.2	5	4.9	12.6	<3.1	<1.7	1.3	1	2.1	1.4	2.1	2.9	0.8			6.3			64	221	45.3
463828114364600	GRANITE PASS, MT	2005-03-07	2005	OB	-4.4	5	5.3	5	<3.1	<1.7	<0.9	2	<1	1.7	2.1	3.6	1.3			22			23	79	-2.8
463828114364600	GRANITE PASS, MT	2006-03-07	2006	OB	0.2	3.6	5.4	4	0.5	<0.2	1.7	1	1.7	2.5	1.9	2.1	0.52						85	257	16.7
463828114364600	GRANITE PASS, MT	2007-03-06	2007	OB	16	4.4	5.6	2.5	2	0.8	1.7	1.5	<1	2	2.5	2.1	0.74						54	173	57.6
463828114364600	GRANITE PASS, MT	2008-03-03	2008	OB	-5.6	3.6	5.3	5	2.5	<0.2	1.7	0.5	1.1	1.1	1.9	2.9	0.31						85	257	29.3
463828114364600	GRANITE PASS, MT	2009-03-02	2009	OB	-5.8	2.8	5.4	4	<0.5	<0.2	<0.9	1.3	1.7	0.8	1.9	2.9	0.47				13.7		41	140	11.1
463828114364600	GRANITE PASS, MT	2010-03-08	2010	OB	-7.2	3.7	5.2	6.3	3	0.8	1.3	2.3	2.6	0.8	1.9	2.9	1.55				11.2		31	104	48.9
463828114364600	GRANITE PASS, MT	2011-03-07	2011	OB	-1.2	2.8	5.3	5	2	0.8	3	1	1.8	0.8	2.1	2.9	0.42				7.01		88	290	40.2
463828114364600	GRANITE PASS, MT	2012-03-01	2012	OB	10	5	4.8	15.8	3.5	3.3	1.7	7.7	<1.1	2.5	2.5	1.9	1	0.1			6.09		62	226	71.8
463828114364600	GRANITE PASS, MT	2013-03-04	2013	OB	-2	4	4.9	12.6	2.5	<1.6	<0.9	1	2.9	1.1	2.1	4.3	0.5	0.08			21.8		45	155	43.4
463828114364600	GRANITE PASS, MT	2014-03-03	2014	OB	8.8	3	6	1	4	4.1	1.7	6.1	<0.5	2.5	2.1	<0.2	4	0.14	0.1				63	241	69.6
463828114364600	GRANITE PASS, MT	2015-03-09	2015	OB	-5.4	2.1	5.5	3.2	0.5	0.8	0.9	1	1.6	0.8	1	1.4	0.41	<0.05			5.7		52	145	42.9
463828114364600	GRANITE PASS, MT	2016-03-04	2016	OB	0.6	1.8	5.6	2.5	1.5	0.8	1.3	1.8	1.2	1.4	1	0.7	0.73	0.23			5.87		60	185	51.6