Instructions to Download GIS Data Files


GIS data files and supporting documentation have been zipped into a self-extracting executable file GIS_public.exe.  The file can be downloaded from  We recommend saving the file to your computer, rather than running it from the location.  The file takes about 2-4 hours to download depending on your Internet connection.  Once the file is downloaded, extract the files following the instructions given below.


1. Double click GIS_public.exe file.




2. The following WinZip Self-Extractor window will appear.


















3. Navigate to the location of the data files.  The README.txt file explains more about the GIS data files and instructions on how to use them.