Figure 1: Number of entries in the register of archaeological monuments as at 31.12.2015
Figure 2: One of the authors in search of a medieval hillfort during field verification of the register of monuments. This image is covered by CC BY-NC-ND 3.0 licence, 2012 © National Heritage Board of Poland, Regional Office in Opole
Figure 3: Icons for types of archaeological sites and the colour system of presentation of chronology used in the map portal of the NHBP. Based on Fiedukowicz et al. 2014. This image is covered by CC BY-NC-ND 3.0 licence, 2016 © National Heritage Board of Poland
Figure 4: Use cases for the INSPIRE Protected Sites theme. Source: D.188.8.131.52 INSPIRE – Data Specification on Protected Sites – Guidelines v.3.1
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