Arc GIS Tutorial Where to find GIS Data and Resources: Most of the ...

Arc GIS Tutorial  Where to find GIS Data and Resources: Most of the GIS data you are looking for may already be available from the ESRI Data and Maps DVD in the back of the Mastering ArcGIS textbook. If not, there are many websites you can go to download GIS data. NYS Geographic Informational Systems Clearinghouse www.nysgisclearinghouse.com Cornell University Geospatial Information Repository http://cugir.mannlib.cornell.edu/ Federal and New York State Data http://www.nysgis.state.ny.us/ USGS National Map Viewer http://nationalmap.gov/viewers.html USGS DEM’s http://seamless.usgs.gov/ GIS Data Depot http://data.geocomm.com/ ArcGIS Online http://www.aarcgisonline.com/home/ GeoData.gov http://gos2.geodata.gov/wps/portal/gos GIS data for specific states: Massachusetts GIS Data http://www.mass.gov/mgis/ Connecticut GIS Data http://magic.lib.uconn.eu/connecticut_data.html

Vermont GIS Data http://www.vcgi.org/ International Data Sets: UNEP/GRID-Sioux Falls Clearinghouse http://na.unep.net/datasets/datalist.php

 How to download GIS Data: Although you will download data from various websites and regions this is the basic format you will follow to download any GIS data. 1. Type in the GIS Data website of your choice in web browser ( ex: http://www.nysgis.state.ny.us/) 2. Select the region of your interest and click “go”. (ex: Albany) 3. Click on “Search Data Sets in Albany” .

4. In the Sector Search Category Select “ Search All Sectors” and select the theme that you are interested in. 5. The next page will be a complete list of GIS data sets. Select the data set of your interest and click the blue “ data set details” in the lower left corner of the box. 6. Look over the description of the data set to make sure it will be helpful to your GIS work. 7. In the metadata column click on the blue metadata link and the information about this GIS data is available. You must cite every GIS data that you use in the proper format. In this case, the GIS data is cited like an FTP because it was downloaded from a wesite. Details for citation are located on p 24 of your text. 8. To begin download, click on the blue link under “ Data Set Name”.

9. Click “open” in the file download box. Allow the website to open the web content. 10. In the WinZip window select “ Use Evaluation Version”. 11. The next window will show you all the files you are about the download.

12. Select the “Extract” button on the upper bar of the window. 13. Save the file in C:\ Temp and then select “Extract”. 14. The file should be successfully downloaded now. Now you are ready to add the data to Arc GIS 15. Open Arc GIS. Click on the yellow button with the black cross located on the toolbar. 16. Navigate to the C:\Temp folder and find the files you just downloaded. 17. Select the file and choose Add.