SYMBOLS FOR a. Petrography (Rocks), b. Filters, c. Springs, Wells, Boreholes

Chr. Banos, SYMBOLS FOR a. Petrography (Rocks), b. Filters, c. Springs, Wells, Boreholes, Hydroscope: Creation of a National Databank for Hydrological and Meteorological Information, Contractor: Department of Water Resources, Hydraulic and Maritime Engineering – National Technical University of Athens, Report 7/12, 14 pages, Division of Geology and Hydrology – General Secretariat of Land Reclamation Works and Agricultural Structures – Ministry of Agriculture, Athens, December 1993.

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