Genre
Maps
1,715
Road maps
120
Thematic maps
98
Topographic maps
96
Tourist maps
60
Atlases
52
Remote-sensing maps
45
Physical maps
42
Remote-sensing images
35
Geological maps
19
Outline maps
11
Bathymetric maps
7
Graphs
7
Index maps
7
Guidebooks
6
Quadrangle maps
6
Indexes
5
Statistics
5
Aerial views
4
Charts, diagrams, etc
4
Surveys
4
World maps
4
Geological cross-sections
3
Drawings
2
Aerial photographs
1
Bibliographies
1
Census data
1
Classification
1
Comparative maps
1
Early maps
1
Facsimiles
1
Pictorial maps
1
Reference works
1
Vital statistics
1