External Resources
A compilation of some non-Washtenaw County GIS-related resources and applications. Washtenaw County does not endorse these organizations and is not responsible for their websites, data, or your use of them.
| Name | Who | Data Available |
|---|---|---|
| Local Historic Aerials | Wayne State and DTE | Aerial imagery for SE Michigan |
| World Imagery Wayback | ESRI | Aerial imagery (Check box for only updates with local changes) |
| Sentinel Explorer | ESRI | Aerial imagery |
| EarthExplorer | US Geological Survey | Aerial imagery and other rasters |
| SEMCOG Open Data Portal | Southeast Michigan Council of Governments | Southeast Michigan data, including elevation contours |
| SEMCOG Map Gallery | Southeast Michigan Council of Governments | Web mapping applications with Southeast Michigan data |
| State of Michigan GIS | State of Michigan | Michigan data |
| American FactFinder (old site) data.census.gov (new site) | US Census Bureau | US Census data |
| MDOT GIS Open Data | Michigan Department of Transportation | MDOT data |
| CrimeMapping.com | Local law enforcement agencies and TriTech Software Systems | Crime incident data |
| The National Map | US Geological Survey | US topographic data |
| TopoView | US Geological Survey | Historic topographic maps |
| MDOT Interactive Maps | Michigan Department of Transportation | Transportation data for Michigan |
| Wetlands Map Viewer | Michigan Department of Environmental Quality | Wetlands and wetland conditions in Michigan |
| Web Soil Survey | US Department of Agriculture | US soil data |
| Environmental Mapper | Michigan Department of Environmental Quality | Sites of contamination, storage tanks, brownfields, land use restrictions, and more in Michigan |
| Recreation Search | Michigan Department of Natural Resources | Find parks, campgrounds, trails, and more in Michigan |
| MiSWIMS | Michigan Department of Environmental Quality and Department of Natural Resources | Surface water in Michigan |
| GeoWebFace | Michigan Department of Environmental Quality | Oil, gas, mining, and geologic data for Michigan |
| MiLocator | State of Michigan | Locate points of interest |
| HIFLD Open Data | Homeland Infrastructure Foundation-Level Data Subcommittee | US data |
| Geospatial Platform | Federal Geographic Data Committee | US data, variety of resources |
| ResponseMapping.com | Local public safety agencies and TriTech Software Systems | Public safety incident data (ex. fire departments and EMS) |
| AAATA Developer Files | Ann Arbor Area Transportation Authority (TheRide) | GIS files of routes and bus stops, API, and GTFS |
| ESRI Maps for Public Policy | ESRI | US community data |
| CARES Engagement Network | Center for Applied Research and Engagement Systems at the University of Missouri | US community data (Economic, Education, Environment, Health, Civic/Social) |
| National Pipeline Mapping System | PHMSA (US DOT) | Gas transmission and hazardous liquid pipelines |
| National Wetlands Inventory Mapper | US Fish & Wildlife Service | Wetlands in the United States |
| Flood Map Service Center | FEMA | FEMA flood maps |
| EJSCREEN | US EPA | Environmental Justice Screening and Mapping Tool |
| 3D Elevation Program | USGS | Download LiDAR data |