Theilen-Willige, B. 2023. Overview of Circular Structures of Various Origins and Sizes in Egypt as a Contribution to Natural Hazard Data Mining Based on Remote Sensing Data and Geoinformation Systems (GIS) Analysis. Prevention and Treatment of Natural Disasters. 2, 2 (Dec. 2023), 7–19. DOI:https://doi.org/10.54963/ptnd.v2i2.167.