areal geology  search
RTbibliography
 expeditions
 explanatory text
 geology
 guidebook
 maps
 regional
SNUsed for entries that might properly be placed under three or more of the major discipline headings such as geomorphology, stratigraphy, structural geology.
Areal Geology (category)  search
SNAreal geology, GeoRef category code 13, is one of 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 List A.).