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Abstract

Modernization of the state system of geodesic support and creating the maps in a single coordinate system and according to uniform data structures are required to digitize, unify, develop and maintain the integrity of spatial data [1]. A scientific and methodological basis for structurization of the hydrogeological maps using geoin-formation systems is being developed, and a library of conventional signs of hydrogeological subject matter was created under the project No. AR05131239 [2]. Development of methodological approaches to solving the problem of unification of hydrogeological objects is important due to the lack of a unified methodology for drawing up digital hydrogeological maps in the Republic of Kazakhstan. Creation of a series of map sheets and use thereof when applying a software product ArcGIS with the same conventional signs is also relevant in other countries of Central Asia [3]. This article covers the stage of structurization of the “Hydrogeology” style of cartographic data within the ArcGIS environment.