Some GIS have data preloaded, such as basemaps. There are several different resources for datasets, including, but not limited to:
Some prominent sources of GIS data:
If you have access to it, Data Citation Index is a great resource for finding datasets.
Data Source |
Examples |
Local Government |
|
State Government |
Texas Natural Resources Information System, Texas General Land Office, Texas Commission on Environmental Quality |
Federal Government |
Data.gov, USGS, National Oceanic and Atmospheric Administration, Census Bureau |
Non-Profit Organizations |
ORNIS, OpenStreetMap, David Rumsey Map Collection, FAO GeoNetwork |
Commercial Companies |
|
Make Your Own! |
Data from GPS (Global Positioning System) devices, spreadsheets, images |