Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
surficial geology  | |
|---|---|
| RT | geology |
| landform description | |
| shallow aquifers | |
| shallow depth | |
| soils | |
| surface textures | |
| geomorphology | |
| surficial geology maps | |
| SN | See surficial geology maps. |
| Surficial Geology (category) | |
|---|---|
| SN | Surficial geology, GeoRef category codes 23-25, are a group of the thirty categories used to classify documents in GeoRef. Each reference in GeoRef is assigned one or more categories. Categories can be used, in addition to Terms, to refine searches (See L |
| surficial geology maps | |
|---|---|
| BT | maps |
| .surficial geology maps | |
| RT | geomorphology |
| geomorphologic maps | |
| surficial geology | |
| SN | Before 1983, also search maps AND surficial geology. Before 1978, also search maps AND (surficial OR (surface AND geologic)). Added to Thesaurus in 1983. |