Internal content:
University of Iowa Facilities Base Data: https://maps.facilities.uiowa.edu/arcgis/rest
- ArcGIS Server REST Service

University of Iowa Base Data Directory: \\iowa.uiowa.edu\shared\GIS-Data\
- More than 1TB of shared GIS Data
- Includes local, regional, national, and international datasets
- Includes ALL types of vector and raster data resources

University of Iowa Library GIS Guide: https://guides.lib.uiowa.edu/c.php?g=132116                      
- A LibGuide of resources, datasets, and tools compiled by the university library system as well as beginner user resources for newcomers to the GIS community

External content:
Iowa Geospatial Data Portal: https://geodata.iowa.gov/
- State of Iowa based GIS data

ISU Geographic Map Server: https://ortho.gis.iastate.edu/
- Large collection of Iowa-based aerial imagery
- For directions on how to connect to the data services via ArcGIS Pro... click here.

The Portal of Portals: https://ouutu.maps.arcgis.com/apps/webappviewer/index.html?id=b40f5bb1dd6742aaafa1306cbcac6139 
- Web app displaying compiled data sources across the world 

Big Ten Geoportal: https://geo.btaa.org/ 
- Geospatial resources from member universities

Census Data: National Historical GIS https://www.nhgis.org/                                                                                                                                                                   OR the Census https://data.census.gov/ 
- Census and demographic data available at different organizational levels 

Wikipedia: https://en.wikipedia.org/wiki/List_of_GIS_data_sources