Browsing by Subject/Keyword: year:
Photographic image
Pat Kelsey (left) and Rick Hootman using the Atomic Absorption Spectrophotometer to test for heavy metal and salt contaminants in the lab1980s
Kohout, John
Photographic image
Pat Kelsey (left) and Rick Hootman using the Atomic Absorption Spectrophotometer to test for heavy metal and salt contaminants in the lab1980s
Kohout, John
Photographic image
Steve Messenger measuring soil moisture with nuclear moisture probe in Daffodil Gladecirca 1981
Ware, George
Photographic image
Li-Cor portable photosynthesis system in the field, measuring chlorosis1980s
Irving, Gary