This image is a derivative work of the following images: File:Sediment_in_the_Gulf_of_Mexico_(2).jpg licensed with PD-USGov-NASA, PD-USGov-NASA/pt 2009-11-13T15:04:10Z...
works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a...