Genre
Maps
52
Electronic government information
21
Periodicals
19
Road maps
15
Technical reports
14
Statistics
11
Environmental impact statements
10
Legislative materials
10
Atlases
8
Legislative hearings
5
Guidebooks
4
Statutes and codes
3
Bibliographies
2
Databases
2
Geological maps
2
Bathymetric maps
1
Census data
1
Drawings
1
Nomenclature
1
Remote-sensing images
1
Serial publications
1
Speeches
1
Surveys
1
Tourist maps
1
Treaties
1
Wildlife recovery plans
1