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Public Domain Picture: Water sampling

Courtesy: US Environmental Protection Agency
Views: 363 | Downloads: 1
Water sampling
Public Domain Mark
This work, identified by, is free of known copyright restrictions.
Water sampling
This sensing device called the SeaBird Conductivity, Temperature Depth (CTD)measures the conductivity of water to determine salinity, temperature and depth. Data is sent to a computer lab on the ship and recorded as the device is lowered through water column. Lids on the grey bottles are closed remotely to capture water samples from specific depth for further testing. US EPA photo by Eric Vance Learn more about EPA's Bold research vessel: Learn more about EPA:
Date Added:
May 9, 2014
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Size: 1600 x 1063
File size: 239.5 KB
File type: jpg
Download: Small
Size: 958 x 636
File size: 169.5 KB
File type: jpg
Public Domain

Why is this picture in the Public Domain?

Produced by United States Government
The file available on this page is a work of the United States government. A work of the United States government, as defined by United States copyright law, is "a work prepared by an officer or employee of the U.S. government as part of that person's official duties." In general, under section 105 of the Copyright Act, such works are not entitled to domestic copyright protection under U.S. law.
US Environmental Protection Agency

Where is this picture from?

US Environmental Protection Agency (Flickr Photostream)
External Site: US Environmental Protection Agency
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