For citations:
Tkachev A.A., Shelestova N.A., Pazynich S.Yu., Klyuchenko K.I. Analysis of natural conditions and the current state of the portals of the tunnel of the Don main canal. Title in english. 2023;(4 (72)):449-460. (In Russ.) https://doi.org/10.32786/2071-9485-2023-04-45