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The present stage of work on the numerical multisheet Hydrogeological Map of Poland 1 :50,000m (HMP) is presented. In 2004, the first edition of 1069 sheets of the HMPhas been completed. The MHPbegan to ful-fill the role of the main database of hydrogeological information on occurrence conditions and properties of usable aquifers. The directions of further development of the GIS database of the HMPwere...
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