Northern Lake Toya 北洞爺湖（洞爺湖町） - For Chemical Oxygen Demand (COD).

File information
Filename:	tn037g-IMG_5324.jpg
Album name:	philbert / Northern Lake Toya 北洞爺湖（洞爺湖町）
Keywords:	hokkaido / toyako-cho / lake / toya / toya / high / school / students / water / samples
Filesize:	13 KiB
Date added:	May 20, 2008
Dimensions:	400 x 267 pixels
Displayed:	95 times
URL:	https://photoguide.jp/pix/displayimage.php?pid=21022
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