/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: IshmaelLetang https://cdn.slidesharecdn.com/profile-photo-IshmaelLetang-48x48.jpg?cb=1588185902 Ishmael Letang. I have over 6 years post graduate experience in groundwater exploration, development, monitoring and management, over 2 years in open pit mine hydrogeology. Have an experience in managing and leading mine groundwater projects i.e. hyper salinity project, mine water supply, piezometer drilling and installation, seepage mapping and borehole rehabilitation. Vast experience and understanding in open cast mine policies, regulations, procedures and standards. Mine start up groundwater requirements and supply. Mine groundwater control Projects (dewatering, depressurisation, pore pressure and slope stabilty water related projects). Have both technical and proffessional experienc...