engineering geological classification
geological classification
Geological classification of soils
classification elements
245 Geological Party of Changsha Nonferrous Geological Exploration Company
engineering geological and environmental geological survey
classification sub-region classification method
1∶250 000 regional geological survey
1∶50 000 regional geological survey
10000 Geological mapping
108 Geological Team Sichuan Bureau of Geology and Mineral Resources
115 Geological Party of Guizhou Bureau of Geology and Mineral Resources
115 geological team inner Mongolia
206 Geological Party of Hunan Nonferrous Corporation
250000 regional geological mapping
250000 Regional Geological Survey
250000 scale regional geological survey
268 Geological Team of Eastern China