Related Links
Online GIS
ArcGIS Online
With a free public account on ArcGIS Online, you can create, store, and manage maps, apps, and files, and share them with others. You also get access to content shared by Esri and GIS users around the world. Public accounts are for noncommercial use only.
Facts & Data
- "Working With GIS data? Librarians Can Help With That," published by Syracuse University. The resource defines geographic information systems, provides a glossary list of GIS terms, and shares 20 free, open-source software tools for building GIS maps. Also highlighted are five unique examples of problem-solving GIS maps such as heat, category, quantity, bubble, and dot density
- Guide and links to additional resources for Geocaching Road Trips
- A Kids Glossary of Map and GPS Terms plus additional youth educational resources
- The Geospatial Data Gateway (GDG) is the One Stop Source for environmental and natural resources data, at anytime, from anywhere, to anyone. The Gateway allows you to choose your area of interest, browse and select data from our catalog, customize the format, and have it downloaded or shipped on CD or DVD
- View National Flood Hazard Layer (NFHL) maps used for Flood Insurance Rate Maps (FIRM)
- View Flood Insurance Rate Maps for Illinois Counties
- View Historic Mapworks to find a great place to view old plat maps in high resolution
- Find out by searching the website, the Henry County, Illinois historical maps
- The National map, by U.S. Geological Survey (USGS), is a collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation