Productivity studies. Cedar Creek Lab.Quercus ellipsoidalis. Left to Right: Dead branches, trunk, living branches, leaves, and twigs. Persons in Photo: Left to Right: Phillip Newmann, Dale Heittcamp, S. Berrick Ovington
Creator:
Lawrence, Donald, 1911-1996
Created:
1959-10-01
Contributed By:
University of Minnesota Libraries, University Archives.