What is a Geographic Information System (GIS) and why is it important?
GIS is a system or technology that manages, analyzes, and disseminates geographic knowledge. In Tuolumne County, the GIS is used to create maps and perform analysis using information related to properties, zoning, roads, addresses, locations of various features, and other geographic information. It is also a critical tool used in Dispatch to speed the time it takes to respond to 911 call or other incident. For a more detailed description of GIS technology, we recommend that you visit:What is GIS

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1. What is a Geographic Information System (GIS) and why is it important?
2. What map tools are available to the Public
3. Why do you insist on making me see the initial page and click on "I Have Read the Disclaimer, Launch Viewer” prior to getting access to a map viewer?
4. How accurate are the GIS layers, can I use them in design work?
5. One or more of the map viewers fail to open on my computer/Ipad/Phone. Why?
6. I have GIS software and want a copy of your data files; how do I do that?
7. Are all of your GIS layers viewable with the map viewers, or as downloadable copies of your data files?
8. Why does it take so long for the map viewers to load on my computer?
9. Why do you insist on making me see the Acknowledgement of Accuracy Limitation and Intended Uses for GIS Data page and clicking on I Agree prior to getting access to a map viewer?
10. How do I ask a question?
11. How can I print pages or maps from the map viewers?