Drilling a huge number of exploration wells within the Leningrad oil shale deposit leads to a significant change in the regime and balance of surface and ground waters of the area, which causes serious environmental changes in the environment.
How to cite:
Portnov V.G., Tereshenko L.A., Afanasyev S.N. Influence of fly ash additives on plugging stone structure // Journal of Mining Institute. 1988. Vol. 116. p. 31-35.
