File:Nitrate in groundwater, by country, 2007 and 2012 (mg NO₃ per litre).png
Size of this preview: 800 × 600 pixels. Other resolutions: 320 × 240 pixels | 1,258 × 943 pixels.
Original file (1,258 × 943 pixels, file size: 119 KB, MIME type: image/png)
File usage
There are no pages that use this file.