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  • 02/13/2019 8:34 AM | Jeannette Byrd (Administrator)

    The USGS National Map is making a small change to its dynamic Contour Overlay service URL starting Friday, March 1, 2019. The new Contour service URL will be The ā€˜cā€™ in contours is now a small letter rather than a capital letter. This change maintains consistency in the naming pattern across our overlay services and helps facilitate the automation in loading our data updates. There are no changes to the cartography of the product, only the URL.

    For additional information please contact The National Map Service Desk, United States Geological Survey at

  • 01/11/2019 9:24 AM | Alex Lopez-Rogina (Administrator)

    GISAA is now on social media!

    Click to links below to find us on your favorite platforms... and help spread the word!

    Like us on Facebook       Follow us on Twitter

    Follow us on LinkedIn    Request Slack Access

  • 01/10/2019 12:44 PM | Hunter Simmons (Administrator)
    Ryan Kibsgaard, over at ASI, provides a general description of WebGL, specifically in regards to rendering maps natively in a browser.  Check out the full article and be sure to click through the interactive examples, such as the hurricane map shown below.

  • 01/10/2019 11:49 AM | Hunter Simmons (Administrator)

    On January 7, 2019 Google Earth updated it's measuring tool with some new features, as well as features previously found only in Google Earth Pro.  Read their official announcement for more information.  

  • 08/23/2018 2:42 PM | Hunter Simmons (Administrator)

    Thank you to everyone who submitted and voted for our new logos.  We had some great submissions and great participation for the final vote with one logo receiving an overwhelming majority of votes.  You will see lots of updates over the next few months as we re-brand with our new logo and name.

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