Genre
Maps
574
Topographic maps
112
Databases
37
Bibliographies
30
Statistics
14
Periodicals
13
Geological maps
9
Academic theses
7
Graphs
6
Technical reports
5
Catalogs
4
Drawings
4
Electronic government information United States
3
Remote-sensing maps
3
Charts, diagrams, etc
2
Conference papers and proceedings
2
Photographs
2
Physical maps
2
Serial publications
2
Abstracts
1
Atlases
1
Bathymetric maps
1
Domestic fiction
1
Environmental impact statements
1
Gazetteers
1
Guidebooks
1
Handbooks and manuals
1
Indexes
1
Internet videos
1
Observations
1
Outline maps
1
Pictures
1
Software
1
Thematic maps
1
Thrillers (Fiction)
1
Wall maps
1