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The war’s impact on Ukraine has led to significant losses of fertile soil due to various hazardous processes. Areas along the military contact line have experienced substantial anthropogenic effects. This study focuses on the region near the village of Kyselivka, located east of Mykolaiv. Soil samples were collected from tank caponiers (sites for armored vehicles), shell and rocket craters, a command post, and undisturbed natural areas (agricultural fields). Four types of soil samples were identified: uncontaminated soil, soil polluted with oil, soil contaminated with an unidentified silver-colored metal, and a mixture of soil and underlying clay. The magnetic susceptibility of the natural chernozems was approximately 100×10−8 m3/kg, with the highest values (up to 500×10−8 m3/kg) observed in soils contaminated by the silver-colored pollutant. To assess the relationship between magnetic properties and heavy metal pollution, concentrations of Cd, Pb, Zn, Ni, Cr, and Mn were analyzed. In some cases, heavy metal levels exceeded the region’s maximum permissible concentrations by 2 to 10 times.