INVESTIGATION OF THE FRACTURE ZONE IN A ROCK MASS DURING THE EXPLOITATION OF UPLAND DEPOSITS. Spectrum Journal of Innovation, Reforms and Development, [S. l.], v. 51, p. 22–26, 2026. Disponível em: https://sjird.journalspark.org/index.php/sjird/article/view/1341. Acesso em: 13 may. 2026.