Fort Collins, Colorado, USA Tanks of liquid nitrogen store... - Jim West, JW1709s141.jpg

Fort Collins, Colorado, USA Tanks of liquid nitrogen store semen from cows and other animals at -320 degrees F, National Laboratory for Genetic Resources Preservation, part of the Department of Agriculture. Beth Krehbiel (R) a graduate student at Colorado State University and animal geneticist Harvey Blackburn examining the contents of one cyro tank. A clear view of the contents is enabled by escaping nitrogen vapor produced as the liquid nitrogen boils - Jim West - 2017-08-24
 
 
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