by C.S. Pearson...[and others] ; United States Department of Agriculture, Bureau of Plant Industry ; in cooperation with the Cornell University Agricultural Experiment Station
Date
[1942]
Series
U. S. Bureau of plant industry. [Soil survey report] Series 1936 ; no. 14
by Wilber Secor ... [and others] ; United States Department of Agriculture, Agricultural Research Administration, Bureau of Plant Industry, Soils, and Agricultural Engineering in cooperation with the Cornell University Agricultural Experiment Station