This release can be found in the USGS Newsroom at: http://www.usgs.gov/newsroom/article.asp?ID=3945.

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News Release


July 30, 2014
Mark Newell, APR 573-308-3850 mnewell@usgs.gov
Erin Korris 303-202-4503 ekorris@usgs.gov
Elizabeth McCartney 573-308-3696 emccartney@usgs.gov

Take a Trip to the Islands

The U.S. Virgin Islands are now available for structure updates with The National Map Corps crowd-sourcing volunteers


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Since August 2013, all 50 states have been available for editing with the USGS The National Map Corps (TNMCorps) volunteered geographic information project. Starting this month, TNMCorps is pleased to add the United States Virgin Islands to that list.

Using crowd-sourcing techniques, TNMCorps encourages citizen volunteers to collect data about manmade structures in an effort to provide accurate and authoritative spatial map data for the USGS National Geospatial Program’s web-based The National Map

Through an online map editor, volunteers use aerial images and other resources to improve structures data by adding new features, removing obsolete points, and correcting existing data. Points available to edit include schools, hospitals, post offices, police stations and other important public buildings. Volunteers may find editing structures in the U.S. Virgin Islands quite challenging, as some source data points shown in the map editor may be out of date, and some structure types are missing entirely.

One of many younger volunteers has found that contributing to The National Map Corps has been a rewarding summer activity.  “I’ve only been working for a month and already I’ve discovered interesting facts, like where Sacagawea is buried, and all of the unique names for places around the country,” said user “crazeyme,” who is also one of the top producing participants. 

To recognize our volunteers, TNMCorps has instituted a recognition program that awards "virtual" badges" based on the number of points edited.  Badges consist of a series of antique surveying instruments ranging from the Surveyor's Chain (25 – 50 points) to the Theodolite Assemblage (2000+ points). Additionally, volunteers are publically recognized (with user permission) via Twitter, Google+, and Facebook.

Volunteers only need access to a computer and the Internet to participate.  The National Map Corps’ website explains how volunteers can edit any area, regardless of their familiarity with the selected structures. Registration is simple and requires only an email address and self-selected username. 

Participants make a significant addition to the USGS's ability to provide accurate information to the public. Data collected by volunteers become part of The National Map structures dataset which is available to users free of charge.

See for yourself how much fun participating can be. Go to The National Map Corps and give it a try.

caption below
Screen shot of The National Map Corps editor webpage showing the capitol city of Charlotte Amalie on St. Thomas, St. Thomas. Within this image lies the governmental center, public schools, and more– which is why The National Map Corps needs your help! (high resolution image 3.3 MB)
caption below
Badges awarded for submitting edits, shown in from first to last: Order of the Surveyor’s Chain (25-49), Society of the Steel Tape 50-99), Pedometer Posse (100-199), Surveyor’s Compass (200-499), Stadia Board Society (500-999), Alidade Alliance (1000-1999), and Theodolite Assemblage (2000+). New awards for volunteers exceeding 2,000 points are under review. (high resolution image 114.7KB)


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