a1a7d430-d517-11eb-b8fc-ef8d869c6eac English BGS report / Open Reports document pointOfContact 2021-08-04 Preliminary results from a Water Economy and Livelihoods Survey (WELS) in Nigeria and Mali, sub-Saharan Africa: investigating water security across a rainfall transect (2011)  Date of publication documentDigital BGS report / Open Reports In the year 2000 the BGS internal report series were reorganized into three series. Research reports (RR) for reports of significant scientific content but which were not formally published with print runs.; Commisioned Reports (CR), reports that were commissioned by customers and are mostly restricted access and OR reports - Open Reports, reports that are a record of work undertaken in BGS and are made available to the public as downloads through NORA. This series is the Open Reports. Lapworth, D.J.; MacDonald, A.M.; Bonsor, H.; Tijani, M.N.; Calow, R.C. Author British Geological Survey Publisher Custodian Point of Contact Owner Thumbnail image/jpeg Mali; Nigeria; Groundwater; Water supply unclassified (open file) eng PDF Preliminary results from a Water Economy and Livelihoods Survey (WELS) in Nigeria and Mali, sub-Saharan Africa: investigating water security across a rainfall transect (2011)  In the year 2000 the BGS internal report series were reorganized into three series. Research reports (RR) for reports of significant scientific content but which were not formally published with print runs.; Commisioned Reports (CR), reports that were commissioned by customers and are mostly restricted access and OR reports - Open Reports, reports that are a record of work undertaken in BGS and are made available to the public as downloads through NORA. This series is the Open Reports. BGS report||pdf downloaded