Fig. 21

Geographic location and surface optical image of the DK30 ~ DK50 section. The Figure is generated by ArcGIS (https://www.esri.com/en-us/arcgis/products/arcgis-pro/resources).

Geographic location and surface optical image of the DK30 ~ DK50 section. The Figure is generated by ArcGIS (https://www.esri.com/en-us/arcgis/products/arcgis-pro/resources).