Genre
Maps
18,295
Topographic maps
3,209
Road maps
445
Remote-sensing maps
373
Atlases
296
Tourist maps
242
Quadrangle maps
209
Geological maps
197
Remote-sensing images
188
Thematic maps
181
Graphs
148
Physical maps
128
Bathymetric maps
126
Charts, diagrams, etc
111
Outline maps
93
Drawings
75
World maps
56
Bibliographies
40
Indexes
37
Databases
36
Index maps
34
Periodicals
33
Aerial views
22
Guidebooks
16
Geological cross-sections
13
Statistics
12
Census data
10
Digital maps
10
Facsimiles
9
Illustrated works
6
Pictorial maps
5
Surveys
5
Early maps
4
Reference works
4
Chronologies
3
Early works to 1800
3
Photographs
3
Relief models
3
Wall maps
3
Academic theses
2
Aerial photographs
2
Dictionaries
2
Geodatabases
2
Geographic information systems
2
Mine maps
2
Nautical charts
2
Photogrammetric maps
2
Posters
2
Puzzles and games
2
Specimens
2
more ...