Genre
Maps
34
Graphs
12
Charts, diagrams, etc
11
Conference papers and proceedings
10
Nomenclature
9
Congresses
7
Bibliographies
4
Guidebooks
4
Electronic government information
2
Gazetteers
2
Geological cross-sections
2
Academic theses
1
Atlases
1
Catalogs
1
Databases
1
Dictionaries
1
Drawings
1
Festschriften
1
Geological maps
1
Physical maps
1
Remote-sensing images
1
Technical reports
1
Video recordings
1