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Lee Fryer, 1936
Oregon State University, Farm Management, us
#1588769
Alvin Dearing Ayers, 1934
University of Arizona, us
#1584813
P. B. Maling, 1933
University of Canterbury, Geology, nz
#1302646
John B Hendershot, 1933
Boston University, us
#1486286
Clifford H. Melton, 1933
Indiana State University, us
#1493942
P. B. Maling, 1933
University of Canterbury, Geology, nz
#1497891