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13This contribution illustrates the advantages of integrating conventional 14 geomorphological methods with InSAR, ground penetrating radar and trenching for 15 sinkhole mapping and characterization in a mantled evaporite karst area, where a 16 significant proportion of the karstic depressions have been obliterated by artificial fills. 17The main practical aim of the investigation was to elucidate whether buried sinkholes 18 overlap the areas planned for the construction of buildings and services, in order to 19 apply a preventive planning strategy. Old aerial photographs and detailed topographic 20 maps were the most useful sources of information for the identification of sinkholes and 21helped to obtain information on their chronology, either a minimum age or bracketing 22

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