Cartographic Support of Local Environmental Monitoring of Licensed Areas of Oil Production Enterprises of the Khanty-Mansi Autonomous Okrug - YugraEvgeniya Kozelkova, Boris Seredovskikh, Alina Vasikova and Vladimir IsypovE3S Web Conf., 295 (2021) 04002DOI: https://doi.org/10.1051/e3sconf/202129504002