Genre
Maps
34
Case studies
9
Databases
9
Technical reports
9
Periodicals
5
Graphs
2
Handbooks and manuals
2
Remote-sensing maps
2
Statistics
2
Academic theses
1
Census data
1
Directories
1
Environmental impact statements
1
Geodatabases
1
Geospatial data
1
Legislative hearings
1
Observations
1
Pictures
1
Relief models
1
Treaties
1