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Joef Mrak Skica idrijskega rudnika ivega srebra in tloris Idrije. Skica idrijskega rudnika ivega srebra in tloris Idrije rtvslo si Joef Mrak PDart Joef Mrak Idrija Mine Historical images of Idrija works in Slovenia drawings Mining in art Archives of the Republic of Slovenia Drawings of cities Cross sections thcentury maps of