This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Plan Pokorny. de Sanierungsplan Gschliefgraben von Adalbert Pokorny Das GschliefgrabenRutschgebiet am TraunseeOstufer Gmunden Adalbert Pokorny ca PDold Gschliefgraben Maps of Salzburg state
Page 2023 Free-images.com. All images are Public Domain