Breadcrumb Home Journal Geosciences No. 2: Groundwater Journal Geosciences No. 2: Groundwater Share Groundwater, an invisible link in the water cycle, is the main source of drinking water in France and in many other countries. 1 September 2005 Groundwater and resource preservation Discovering the Earth Sciences Researcher Student Citizen, citizen's group Cover of Issue 2 of the Géosciences journal. © BRGM Read the journal online To find out more Buy the journal More news Article Mapping the rocks beneath our feet: an essential step for our future 9 February 2026 News Martinique: a new base to strengthen BRGM's intervention capabilities 3 February 2026 Newsletter BRGM Infos newsletter for January 2026 27 January 2026 News BRGM announces the winners of its 2025 awards for outstanding results 23 January 2026 All our news