Request for Expression of Interest for Undertaking Hydrogeological Surveys for Boreholes at DAI in Dhobley and Geriley in Somalia 2013   Request for Expression of Interest for Undertaking Hydrogeological Surveys for Boreholes in Dhobley and Geriley in Somalia Purpose DAI, implementer of the USAID funded Transition Initiatives for Stabilization (TIS) Somalia Program; invites qualified firms for HYDROGEOLOGICAL SURVEYS FOR BOREHOLES IN DHOBLEY AND GERILEY IN SOMALIA. The purpose of the hydrogeological / geophysical survey is to explore the possibility of ...