On 5/9/2013 9:26 AM, Sean Bartell wrote:
Works by federal government employees are public domain, but works by
contractors are not:
https://en.wikipedia.org/wiki/Copyright_status_of_work_by_the_U.S._government
Sean Bartell
For the kinds of data we're talking about, practically all data developed under
contract to the federal government is public domain. Exceptions would be data
like teleatlas or natvtek that they license. For example, the US Census Bureau
paid over $200M to contractors (mainly Harris Corp) to update the census
streets and associated data for the 2010 census. Its all public domain, unless
other restrictions are applied, e.g. the census bureau doesn't release the
individual address points they collected due to some kind of privacy law. USGS
has been using contractors for years to update their mapping data, and all that
data is public domain.
Brian May
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