sample_id	location	elevation	northing	easting	datetime	pH	COND	ANC	H	NH4	Ca	Mg	Na	K	Cl	NO3	SO4	PO4	Si	sum_plus	sum_minus	sum_change	TN	TDN	PN	DON	IN	TDP	PP	DOP	IP
1	eph1	3351.487	4433364.82396086	451125.431353812	2007-05-24 12:39:54	6.55	12.74	73.12	0.28	0	56.54	17.77	38.06	3.15	2.99	6.87	30.06	0	84.18	115.79	113.04	0.01	7.91	6.65	1.25	0	6.87	0	0	0	0
2	eph2	3347.635	4433360.18864783	451111.375100131	2007-05-24 13:08:21	6.6	12.76	72.6	0.25	0	58.53	18.18	35.75	5.7	2.37	7.84	31.46	0	80.71	118.42	114.27	0.02	9.39	7.52	1.87	0	7.84	0	0	0	0
3	eph3	3343.872	4433343.15853111	451099.87443163	2007-05-24 13:12:33	6.29	8.69	36	0.51	0	32.49	10.86	26.88	5.93	3.19	2.53	27.69	0	61.6	76.67	69.41	0.05	5.86	4.89	0.97	2.36	2.53	0.05	0	0.05	0
4	eph4	3344.137	4433339.16771041	451118.095059183	2007-05-24 13:15:06	6.67	11.55	63.12	0.21	0	49.45	15.71	34.97	5.5	2.76	4.6	30.21	0	80.74	105.85	100.69	0.02	6.72	6.01	0.71	1.41	4.6	0	0	0	0
5	eph5	3345.34	4433336.53397971	451147.630623445	2007-05-24 13:18:42	6.74	14.24	82.79	0.18	0	63.27	20.9	42.93	6.67	3.22	3.61	36.06	0	92.57	133.96	125.68	0.03	6.91	4.92	1.99	1.31	3.61	0.05	0	0.05	0
6	eph6	3350.674	4433365.31420802	451158.349403384	2007-05-24 13:23:04	6.74	15.41	87.19	0.18	0	68.46	22.21	45.37	6.65	3.02	9.29	36.83	0.34	107.49	142.87	136.67	0.02	10.05	10.11	0	0.82	9.29	0.12	0.13	0	0.01
7	eph7	3339.845	4433308.24843982	451139.868859524	2007-05-24 13:27:49	6.7	12.79	70.13	0.2	0	54.59	18.43	39.19	6.44	3.22	2.77	33.52	0	95.11	118.85	109.64	0.04	4.96	4.62	0.33	1.85	2.77	0	0	0	0
8	eph8	3339.766	4433314.09090471	451107.28120784	2007-05-24 13:30:25	6.64	11.04	56.88	0.23	0	45.26	15.3	32.67	3.4	2.96	3.32	29.81	0	80.62	96.86	92.98	0.02	5.97	6.19	0	2.87	3.32	0	0	0	0
9	eph9	3333.225	4433277.30545675	451083.291420911	2007-05-24 13:35:33	6.64	10.95	56.56	0.23	0	42.96	14.4	33.32	6.06	3.02	2.68	28.84	0	79.87	96.97	91.09	0.03	7.88	3.96	3.92	1.28	2.68	0.09	0	0.09	0
10	eph10	3319.514	4433193.62117043	451045.311984761	2007-05-24 13:45:30	6.66	10.74	53.74	0.22	0	44.31	15.55	33.32	7.08	2.85	1.35	31.23	0	83.14	100.48	89.17	0.06	4.43	4.21	0.22	2.86	1.35	0.05	0	0.05	0
11	eph11	3302.702	4433066.48428794	450996.716141021	2007-05-24 13:58:36	6.52	11.11	51.91	0.3	0	45.56	15.88	33.84	7.44	3.02	1.35	31.69	0	86.98	103.02	87.97	0.08	5.29	5.51	0	4.16	1.35	0.1	0	0.1	0
12	170 snow1	3356.911	4433379.08451907	451136.737644778	2007-05-18 15:43:11	5.62	3.34	5.07	2.4	2.97	7.98	1.97	1.61	2.89	1.41	8.19	3.48	0	0	19.82	18.15	0.04	15.25	11.97	3.27	0.81	11.16	0.21	0.05	0.16	0.05
13	170 snow3	3354.16	4433376.55710568	451113.636975103	2007-05-18 15:47:56	5.58	3.03	2.67	2.63	2.96	5.89	1.32	1.26	1.87	1.3	6.18	2.94	0	0	15.93	13.08	0.1	12.77	9.94	2.83	0.8	9.14	0.15	0	0.15	0
14	170 stream 3	3353.018	4433372.62956865	451120.265496897	2007-05-30 11:07:35	6.71	12.69	72.46	0.19	0	57.44	17.36	34.93	4.14	2.48	7.9	30.75	0	90.45	114.06	113.6	0	8.14	8.36	0	0.46	7.9	0	0	0	0