High Plains Study Council (U.S.) · 1 obras en el catálogoObrasAA summary of results of the Ogallala aquifer regional study,A summary of results of the Ogallala aquifer regional study, with recommendations to the Secretary of Commerce and Congress
AA summary of results of the Ogallala aquifer regional study,A summary of results of the Ogallala aquifer regional study, with recommendations to the Secretary of Commerce and Congress