Genre
Maps
30,415
Topographic maps
2,459
Maps, Topographic
1,547
Remote-sensing maps
1,403
Cartes géographiques
1,237
Geological maps
987
Charts, diagrams, etc
514
Physical maps
414
Outline maps
341
Maps, Physical
301
Remote-sensing images
295
Maps, Outline and base
268
Thematic maps
223
Bathymetric maps
221
Index maps
193
Databases
180
Quadrangle maps
162
Indexes
161
Bibliography
137
Drawings
130
geological maps
117
Cartes géologiques
114
CD-ROMs
99
Periodicals
88
Spatiocartes
85
Statistics
85
Road maps
79
Government publications
73
Mine maps
47
Atlases
46
Graphs
46
Geological cross-sections
45
Cartes topographiques
40
Congresses
40
topographic maps
39
Pictorial works
33
Aerial views
29
Pictorial maps
26
Academic theses
24
Facsimiles
24
Maps (documents)
22
Early works to 1800
21
Geographic information systems data
21
Internet resource
21
thematic maps
21
Cartes thématiques
20
Cartes physiques
19
Aerial photographs
18
History
18
Observations
18
more ...