Triangles: 1M
Vertices: 1M
More model informationEarly medieval stronghold near Chrzelice (Opole Province, SW Poland, 8th–11th AD).
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Terrain model based on ALS data by Max Mackiewicz.
More:
[EN] https://www.academia.edu/18649242/Non-invasive_research_on_medieval_strongholds_in_Silesia.Case_studies_from_Borucin_Silesian_province_and_Chrzelice_Opole_province
Data sources:
1746
1825
1930
Aerial photo by Piotr Wroniecki
Open access ortophoto - geoportal.gov.pl
ALS hillshade
ALS local relief model
Magnetic map
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