Nathan S. Hall, professor of agronomy at North Carolina State College, in laboratory.
| Date: |
1950 |
| Original Format: |
Black-and-white print (photograph) |
| Rights: |
Rights status not known. Reproduction and use of this material may be restricted. For general information see the NCSU Libraries Special Collections Research Center website (http://www.lib.ncsu.edu/specialcollections/research). |





















