Geochemical Transactions

Table 1 Sample locations

From: Sources of salinity and arsenic in groundwater in southwest Bangladesh

Wells					Drill cores
Well	Longitude (°)^a	Latitude (°)	Depth (m)	Year drilled	Site	Longitude (°)	Latitude (°)
GW-10	89.433679	22.5015	22.9	2011	0	89.49508	22.56825
GW-11	89.453158	22.5454	36.6		1	89.49106	22.55319
GW-12	89.447794	22.5143		2002	3	89.492	22.51955
GW-13	89.439263	22.5254	36.6	2010	4	89.48407	22.52014
GW-14	89.495929	22.5167	48.8	2002	8	89.45905	22.47048
GW-15	89.489398	22.5353	25.9	1998	9	89.45925	22.47037
GW-16	89.482665	22.5284	19.8	2011	12	89.45217	22.43472
GW-17	89.484595	22.5328	15.2	2012	13	89.4414	22.42969
GW-19	89.481866	22.548	29	2010	14	89.43877	22.43392
GW-20	89.481554	22.5468	21.3	2011	17	89.43569	22.46502
GW-200	89.481743	22.5458			22	89.43413	22.51047
GW-21	89.483091	22.5464	22.9	2011	23	89.44209	22.50297
GW-22	89.500686	22.5336	41.8	2011	27	89.46507	22.53219
GW-23	89.500789	22.5336	38.7	2001
GW-24	89.501026	22.5335	41.1	2011
GW-25	89.501372	22.5335	42.1	2000
GW-26	89.491193	22.5087	42.7	2011
GW-27	89.49123	22.5095	45.7	2010
GW-28	89.490784	22.5067	22.9	2010
GW-29	89.45921	22.4704	36.6	2009
GW-30	89.459285	22.4703	36.6	2008
GW-31	89.45889	22.4703	44.2	2007
GW-32	89.460374	22.4788	45.7	2011
GW-33	89.463171	22.4591	27.4	2011
GW-34	89.44812	22.4587	42.7	2009
GW-35	89.448046	22.4589	42.7	2009
GW-36	89.445487	22.4582	41.1	2011
GW-37	89.447941	22.4364	45.7	2007
GW-38	89.451616	22.4332	51.8	1988
GW-39	89.451492	22.4315	42.7	2006
GW-40	89.450372	22.4274	42.7	2005
GW-41	89.450196	22.4278	42.7	2007
GW-42	89.450195	22.4278	42.7	2007
GW-50	89.472823	22.5069	33.5	2007
GW-51	89.474373	22.5074	27.4	2011
GW-52	89.447852	22.4362	36.6	1997
GW-53	89.452841	22.4398	39.6	2010
GW-60	89.491771	22.5195

^aDatum for latitude and longitude is WGS 1984

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