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WATER POLLUTION RESEARCH
Water pollution research. Researchers collecting a water sample to analyse for pesticide and nutrient content. Photographed on the Choptank River, Maryland, USA. (KEYSTONE/SCIENCE PHOTO LIBRARY/PEGGY GREB/US DEPARTMENT OF AGRICULTURE)
Instruktionen
COPYRIGHTPFLICHTIG Editorial use only
Lizenz
Rights Managed
Erstellungsdatum
20111026
Ort
Credit
KEYSTONE
Source
SCIENCE PHOTO LIBRARY SPL
Byline
PEGGY GREB/US DEPARTMENT OF AGRICULTURE
Grösse
2445 x 3667 px
Dateityp
JPEG