GEOTECHNOLOGIES OF HEAP LEACHING THE GOLD FROM ROCK DUMPS ArticleVorobyev A.E., Chekushina T.V., Vorobyev K.A., Gomes A.C.S., Honore T.International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM. Том 19. 2019. С. 841-847