Budarina, V.A., Sigora, G.A., Smolenskaya, T.Y., Nichkova, L.A. and Ignatenko, I.M. 2024. Features of Ecological and Hydrogeochemical Studies of Spring Water Quality. Proceedings of Voronezh State University. Series: Geography. Geoecology. 2 (May 2024), 120-126. DOI:https://doi.org/10.17308/geo/1609-0683/2024/2/120-126.