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KaeriusUltraiectumCr. Map of Kaerius Ultraiectum Dominium Utrecht in the Netherlands cropped Birkt between Soest and Amersfoort kaart van Kaerius Ultraiectum Dominum Utrecht uitsnede van De Birkt tussen Soest en Amersfoort sanderusmaps vandenkeere Sanderus maps see File KaeriusUltraiectum for full image Creator Pieter van der Keere