TY JOUR TI METHODOLOGICAL ASPECTS OF ENGINEERING PREPARATION OF MOUNTAINOUS TERRITORIES KW engineering preparation of territories KW special methods of engineering preparation KW mountainous territories KW complex relief KW assessment of territory relief KW influence of natural factors KW slope KW aspect KW geoinformation systems KW GIS-analysis JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kuznetsov, I.V. PY 2026 IS 11 PB Belgorod State Technological University named after V.G. Shukhov